Add Unicode support to `String.to_*_case()` methods

core/string/char_range.inc

@@ -1,5 +1,5 @@
 /**************************************************************************/
-/*  color_names.inc                                                       */
+/*  char_range.inc                                                        */
 /**************************************************************************/
 /*                         This file is part of:                          */
 /*                             GODOT ENGINE                               */
@@ -689,7 +689,6 @@ inline constexpr CharRange xid_start[] = {
 	{ 0x2ceb0, 0x2ebe0 },
 	{ 0x2f800, 0x2fa1d },
 	{ 0x30000, 0x3134a },
-	{ 0x0, 0x0 },
 };
 
 inline constexpr CharRange xid_continue[] = {
@@ -1450,7 +1449,1316 @@ inline constexpr CharRange xid_continue[] = {
 	{ 0x2f800, 0x2fa1d },
 	{ 0x30000, 0x3134a },
 	{ 0xe0100, 0xe01ef },
-	{ 0x0, 0x0 },
+};
+
+inline constexpr CharRange uppercase_letter[] = {
+	{ 0x41, 0x5a },
+	{ 0xc0, 0xd6 },
+	{ 0xd8, 0xde },
+	{ 0x100, 0x100 },
+	{ 0x102, 0x102 },
+	{ 0x104, 0x104 },
+	{ 0x106, 0x106 },
+	{ 0x108, 0x108 },
+	{ 0x10a, 0x10a },
+	{ 0x10c, 0x10c },
+	{ 0x10e, 0x10e },
+	{ 0x110, 0x110 },
+	{ 0x112, 0x112 },
+	{ 0x114, 0x114 },
+	{ 0x116, 0x116 },
+	{ 0x118, 0x118 },
+	{ 0x11a, 0x11a },
+	{ 0x11c, 0x11c },
+	{ 0x11e, 0x11e },
+	{ 0x120, 0x120 },
+	{ 0x122, 0x122 },
+	{ 0x124, 0x124 },
+	{ 0x126, 0x126 },
+	{ 0x128, 0x128 },
+	{ 0x12a, 0x12a },
+	{ 0x12c, 0x12c },
+	{ 0x12e, 0x12e },
+	{ 0x130, 0x130 },
+	{ 0x132, 0x132 },
+	{ 0x134, 0x134 },
+	{ 0x136, 0x136 },
+	{ 0x139, 0x139 },
+	{ 0x13b, 0x13b },
+	{ 0x13d, 0x13d },
+	{ 0x13f, 0x13f },
+	{ 0x141, 0x141 },
+	{ 0x143, 0x143 },
+	{ 0x145, 0x145 },
+	{ 0x147, 0x147 },
+	{ 0x14a, 0x14a },
+	{ 0x14c, 0x14c },
+	{ 0x14e, 0x14e },
+	{ 0x150, 0x150 },
+	{ 0x152, 0x152 },
+	{ 0x154, 0x154 },
+	{ 0x156, 0x156 },
+	{ 0x158, 0x158 },
+	{ 0x15a, 0x15a },
+	{ 0x15c, 0x15c },
+	{ 0x15e, 0x15e },
+	{ 0x160, 0x160 },
+	{ 0x162, 0x162 },
+	{ 0x164, 0x164 },
+	{ 0x166, 0x166 },
+	{ 0x168, 0x168 },
+	{ 0x16a, 0x16a },
+	{ 0x16c, 0x16c },
+	{ 0x16e, 0x16e },
+	{ 0x170, 0x170 },
+	{ 0x172, 0x172 },
+	{ 0x174, 0x174 },
+	{ 0x176, 0x176 },
+	{ 0x178, 0x179 },
+	{ 0x17b, 0x17b },
+	{ 0x17d, 0x17d },
+	{ 0x181, 0x182 },
+	{ 0x184, 0x184 },
+	{ 0x186, 0x187 },
+	{ 0x189, 0x18b },
+	{ 0x18e, 0x191 },
+	{ 0x193, 0x194 },
+	{ 0x196, 0x198 },
+	{ 0x19c, 0x19d },
+	{ 0x19f, 0x1a0 },
+	{ 0x1a2, 0x1a2 },
+	{ 0x1a4, 0x1a4 },
+	{ 0x1a6, 0x1a7 },
+	{ 0x1a9, 0x1a9 },
+	{ 0x1ac, 0x1ac },
+	{ 0x1ae, 0x1af },
+	{ 0x1b1, 0x1b3 },
+	{ 0x1b5, 0x1b5 },
+	{ 0x1b7, 0x1b8 },
+	{ 0x1bc, 0x1bc },
+	{ 0x1c4, 0x1c4 },
+	{ 0x1c7, 0x1c7 },
+	{ 0x1ca, 0x1ca },
+	{ 0x1cd, 0x1cd },
+	{ 0x1cf, 0x1cf },
+	{ 0x1d1, 0x1d1 },
+	{ 0x1d3, 0x1d3 },
+	{ 0x1d5, 0x1d5 },
+	{ 0x1d7, 0x1d7 },
+	{ 0x1d9, 0x1d9 },
+	{ 0x1db, 0x1db },
+	{ 0x1de, 0x1de },
+	{ 0x1e0, 0x1e0 },
+	{ 0x1e2, 0x1e2 },
+	{ 0x1e4, 0x1e4 },
+	{ 0x1e6, 0x1e6 },
+	{ 0x1e8, 0x1e8 },
+	{ 0x1ea, 0x1ea },
+	{ 0x1ec, 0x1ec },
+	{ 0x1ee, 0x1ee },
+	{ 0x1f1, 0x1f1 },
+	{ 0x1f4, 0x1f4 },
+	{ 0x1f6, 0x1f8 },
+	{ 0x1fa, 0x1fa },
+	{ 0x1fc, 0x1fc },
+	{ 0x1fe, 0x1fe },
+	{ 0x200, 0x200 },
+	{ 0x202, 0x202 },
+	{ 0x204, 0x204 },
+	{ 0x206, 0x206 },
+	{ 0x208, 0x208 },
+	{ 0x20a, 0x20a },
+	{ 0x20c, 0x20c },
+	{ 0x20e, 0x20e },
+	{ 0x210, 0x210 },
+	{ 0x212, 0x212 },
+	{ 0x214, 0x214 },
+	{ 0x216, 0x216 },
+	{ 0x218, 0x218 },
+	{ 0x21a, 0x21a },
+	{ 0x21c, 0x21c },
+	{ 0x21e, 0x21e },
+	{ 0x220, 0x220 },
+	{ 0x222, 0x222 },
+	{ 0x224, 0x224 },
+	{ 0x226, 0x226 },
+	{ 0x228, 0x228 },
+	{ 0x22a, 0x22a },
+	{ 0x22c, 0x22c },
+	{ 0x22e, 0x22e },
+	{ 0x230, 0x230 },
+	{ 0x232, 0x232 },
+	{ 0x23a, 0x23b },
+	{ 0x23d, 0x23e },
+	{ 0x241, 0x241 },
+	{ 0x243, 0x246 },
+	{ 0x248, 0x248 },
+	{ 0x24a, 0x24a },
+	{ 0x24c, 0x24c },
+	{ 0x24e, 0x24e },
+	{ 0x370, 0x370 },
+	{ 0x372, 0x372 },
+	{ 0x376, 0x376 },
+	{ 0x37f, 0x37f },
+	{ 0x386, 0x386 },
+	{ 0x388, 0x38a },
+	{ 0x38c, 0x38c },
+	{ 0x38e, 0x38f },
+	{ 0x391, 0x3a1 },
+	{ 0x3a3, 0x3ab },
+	{ 0x3cf, 0x3cf },
+	{ 0x3d2, 0x3d4 },
+	{ 0x3d8, 0x3d8 },
+	{ 0x3da, 0x3da },
+	{ 0x3dc, 0x3dc },
+	{ 0x3de, 0x3de },
+	{ 0x3e0, 0x3e0 },
+	{ 0x3e2, 0x3e2 },
+	{ 0x3e4, 0x3e4 },
+	{ 0x3e6, 0x3e6 },
+	{ 0x3e8, 0x3e8 },
+	{ 0x3ea, 0x3ea },
+	{ 0x3ec, 0x3ec },
+	{ 0x3ee, 0x3ee },
+	{ 0x3f4, 0x3f4 },
+	{ 0x3f7, 0x3f7 },
+	{ 0x3f9, 0x3fa },
+	{ 0x3fd, 0x42f },
+	{ 0x460, 0x460 },
+	{ 0x462, 0x462 },
+	{ 0x464, 0x464 },
+	{ 0x466, 0x466 },
+	{ 0x468, 0x468 },
+	{ 0x46a, 0x46a },
+	{ 0x46c, 0x46c },
+	{ 0x46e, 0x46e },
+	{ 0x470, 0x470 },
+	{ 0x472, 0x472 },
+	{ 0x474, 0x474 },
+	{ 0x476, 0x476 },
+	{ 0x478, 0x478 },
+	{ 0x47a, 0x47a },
+	{ 0x47c, 0x47c },
+	{ 0x47e, 0x47e },
+	{ 0x480, 0x480 },
+	{ 0x48a, 0x48a },
+	{ 0x48c, 0x48c },
+	{ 0x48e, 0x48e },
+	{ 0x490, 0x490 },
+	{ 0x492, 0x492 },
+	{ 0x494, 0x494 },
+	{ 0x496, 0x496 },
+	{ 0x498, 0x498 },
+	{ 0x49a, 0x49a },
+	{ 0x49c, 0x49c },
+	{ 0x49e, 0x49e },
+	{ 0x4a0, 0x4a0 },
+	{ 0x4a2, 0x4a2 },
+	{ 0x4a4, 0x4a4 },
+	{ 0x4a6, 0x4a6 },
+	{ 0x4a8, 0x4a8 },
+	{ 0x4aa, 0x4aa },
+	{ 0x4ac, 0x4ac },
+	{ 0x4ae, 0x4ae },
+	{ 0x4b0, 0x4b0 },
+	{ 0x4b2, 0x4b2 },
+	{ 0x4b4, 0x4b4 },
+	{ 0x4b6, 0x4b6 },
+	{ 0x4b8, 0x4b8 },
+	{ 0x4ba, 0x4ba },
+	{ 0x4bc, 0x4bc },
+	{ 0x4be, 0x4be },
+	{ 0x4c0, 0x4c1 },
+	{ 0x4c3, 0x4c3 },
+	{ 0x4c5, 0x4c5 },
+	{ 0x4c7, 0x4c7 },
+	{ 0x4c9, 0x4c9 },
+	{ 0x4cb, 0x4cb },
+	{ 0x4cd, 0x4cd },
+	{ 0x4d0, 0x4d0 },
+	{ 0x4d2, 0x4d2 },
+	{ 0x4d4, 0x4d4 },
+	{ 0x4d6, 0x4d6 },
+	{ 0x4d8, 0x4d8 },
+	{ 0x4da, 0x4da },
+	{ 0x4dc, 0x4dc },
+	{ 0x4de, 0x4de },
+	{ 0x4e0, 0x4e0 },
+	{ 0x4e2, 0x4e2 },
+	{ 0x4e4, 0x4e4 },
+	{ 0x4e6, 0x4e6 },
+	{ 0x4e8, 0x4e8 },
+	{ 0x4ea, 0x4ea },
+	{ 0x4ec, 0x4ec },
+	{ 0x4ee, 0x4ee },
+	{ 0x4f0, 0x4f0 },
+	{ 0x4f2, 0x4f2 },
+	{ 0x4f4, 0x4f4 },
+	{ 0x4f6, 0x4f6 },
+	{ 0x4f8, 0x4f8 },
+	{ 0x4fa, 0x4fa },
+	{ 0x4fc, 0x4fc },
+	{ 0x4fe, 0x4fe },
+	{ 0x500, 0x500 },
+	{ 0x502, 0x502 },
+	{ 0x504, 0x504 },
+	{ 0x506, 0x506 },
+	{ 0x508, 0x508 },
+	{ 0x50a, 0x50a },
+	{ 0x50c, 0x50c },
+	{ 0x50e, 0x50e },
+	{ 0x510, 0x510 },
+	{ 0x512, 0x512 },
+	{ 0x514, 0x514 },
+	{ 0x516, 0x516 },
+	{ 0x518, 0x518 },
+	{ 0x51a, 0x51a },
+	{ 0x51c, 0x51c },
+	{ 0x51e, 0x51e },
+	{ 0x520, 0x520 },
+	{ 0x522, 0x522 },
+	{ 0x524, 0x524 },
+	{ 0x526, 0x526 },
+	{ 0x528, 0x528 },
+	{ 0x52a, 0x52a },
+	{ 0x52c, 0x52c },
+	{ 0x52e, 0x52e },
+	{ 0x531, 0x556 },
+	{ 0x10a0, 0x10c5 },
+	{ 0x10c7, 0x10c7 },
+	{ 0x10cd, 0x10cd },
+	{ 0x13a0, 0x13f5 },
+	{ 0x1c90, 0x1cba },
+	{ 0x1cbd, 0x1cbf },
+	{ 0x1e00, 0x1e00 },
+	{ 0x1e02, 0x1e02 },
+	{ 0x1e04, 0x1e04 },
+	{ 0x1e06, 0x1e06 },
+	{ 0x1e08, 0x1e08 },
+	{ 0x1e0a, 0x1e0a },
+	{ 0x1e0c, 0x1e0c },
+	{ 0x1e0e, 0x1e0e },
+	{ 0x1e10, 0x1e10 },
+	{ 0x1e12, 0x1e12 },
+	{ 0x1e14, 0x1e14 },
+	{ 0x1e16, 0x1e16 },
+	{ 0x1e18, 0x1e18 },
+	{ 0x1e1a, 0x1e1a },
+	{ 0x1e1c, 0x1e1c },
+	{ 0x1e1e, 0x1e1e },
+	{ 0x1e20, 0x1e20 },
+	{ 0x1e22, 0x1e22 },
+	{ 0x1e24, 0x1e24 },
+	{ 0x1e26, 0x1e26 },
+	{ 0x1e28, 0x1e28 },
+	{ 0x1e2a, 0x1e2a },
+	{ 0x1e2c, 0x1e2c },
+	{ 0x1e2e, 0x1e2e },
+	{ 0x1e30, 0x1e30 },
+	{ 0x1e32, 0x1e32 },
+	{ 0x1e34, 0x1e34 },
+	{ 0x1e36, 0x1e36 },
+	{ 0x1e38, 0x1e38 },
+	{ 0x1e3a, 0x1e3a },
+	{ 0x1e3c, 0x1e3c },
+	{ 0x1e3e, 0x1e3e },
+	{ 0x1e40, 0x1e40 },
+	{ 0x1e42, 0x1e42 },
+	{ 0x1e44, 0x1e44 },
+	{ 0x1e46, 0x1e46 },
+	{ 0x1e48, 0x1e48 },
+	{ 0x1e4a, 0x1e4a },
+	{ 0x1e4c, 0x1e4c },
+	{ 0x1e4e, 0x1e4e },
+	{ 0x1e50, 0x1e50 },
+	{ 0x1e52, 0x1e52 },
+	{ 0x1e54, 0x1e54 },
+	{ 0x1e56, 0x1e56 },
+	{ 0x1e58, 0x1e58 },
+	{ 0x1e5a, 0x1e5a },
+	{ 0x1e5c, 0x1e5c },
+	{ 0x1e5e, 0x1e5e },
+	{ 0x1e60, 0x1e60 },
+	{ 0x1e62, 0x1e62 },
+	{ 0x1e64, 0x1e64 },
+	{ 0x1e66, 0x1e66 },
+	{ 0x1e68, 0x1e68 },
+	{ 0x1e6a, 0x1e6a },
+	{ 0x1e6c, 0x1e6c },
+	{ 0x1e6e, 0x1e6e },
+	{ 0x1e70, 0x1e70 },
+	{ 0x1e72, 0x1e72 },
+	{ 0x1e74, 0x1e74 },
+	{ 0x1e76, 0x1e76 },
+	{ 0x1e78, 0x1e78 },
+	{ 0x1e7a, 0x1e7a },
+	{ 0x1e7c, 0x1e7c },
+	{ 0x1e7e, 0x1e7e },
+	{ 0x1e80, 0x1e80 },
+	{ 0x1e82, 0x1e82 },
+	{ 0x1e84, 0x1e84 },
+	{ 0x1e86, 0x1e86 },
+	{ 0x1e88, 0x1e88 },
+	{ 0x1e8a, 0x1e8a },
+	{ 0x1e8c, 0x1e8c },
+	{ 0x1e8e, 0x1e8e },
+	{ 0x1e90, 0x1e90 },
+	{ 0x1e92, 0x1e92 },
+	{ 0x1e94, 0x1e94 },
+	{ 0x1e9e, 0x1e9e },
+	{ 0x1ea0, 0x1ea0 },
+	{ 0x1ea2, 0x1ea2 },
+	{ 0x1ea4, 0x1ea4 },
+	{ 0x1ea6, 0x1ea6 },
+	{ 0x1ea8, 0x1ea8 },
+	{ 0x1eaa, 0x1eaa },
+	{ 0x1eac, 0x1eac },
+	{ 0x1eae, 0x1eae },
+	{ 0x1eb0, 0x1eb0 },
+	{ 0x1eb2, 0x1eb2 },
+	{ 0x1eb4, 0x1eb4 },
+	{ 0x1eb6, 0x1eb6 },
+	{ 0x1eb8, 0x1eb8 },
+	{ 0x1eba, 0x1eba },
+	{ 0x1ebc, 0x1ebc },
+	{ 0x1ebe, 0x1ebe },
+	{ 0x1ec0, 0x1ec0 },
+	{ 0x1ec2, 0x1ec2 },
+	{ 0x1ec4, 0x1ec4 },
+	{ 0x1ec6, 0x1ec6 },
+	{ 0x1ec8, 0x1ec8 },
+	{ 0x1eca, 0x1eca },
+	{ 0x1ecc, 0x1ecc },
+	{ 0x1ece, 0x1ece },
+	{ 0x1ed0, 0x1ed0 },
+	{ 0x1ed2, 0x1ed2 },
+	{ 0x1ed4, 0x1ed4 },
+	{ 0x1ed6, 0x1ed6 },
+	{ 0x1ed8, 0x1ed8 },
+	{ 0x1eda, 0x1eda },
+	{ 0x1edc, 0x1edc },
+	{ 0x1ede, 0x1ede },
+	{ 0x1ee0, 0x1ee0 },
+	{ 0x1ee2, 0x1ee2 },
+	{ 0x1ee4, 0x1ee4 },
+	{ 0x1ee6, 0x1ee6 },
+	{ 0x1ee8, 0x1ee8 },
+	{ 0x1eea, 0x1eea },
+	{ 0x1eec, 0x1eec },
+	{ 0x1eee, 0x1eee },
+	{ 0x1ef0, 0x1ef0 },
+	{ 0x1ef2, 0x1ef2 },
+	{ 0x1ef4, 0x1ef4 },
+	{ 0x1ef6, 0x1ef6 },
+	{ 0x1ef8, 0x1ef8 },
+	{ 0x1efa, 0x1efa },
+	{ 0x1efc, 0x1efc },
+	{ 0x1efe, 0x1efe },
+	{ 0x1f08, 0x1f0f },
+	{ 0x1f18, 0x1f1d },
+	{ 0x1f28, 0x1f2f },
+	{ 0x1f38, 0x1f3f },
+	{ 0x1f48, 0x1f4d },
+	{ 0x1f59, 0x1f59 },
+	{ 0x1f5b, 0x1f5b },
+	{ 0x1f5d, 0x1f5d },
+	{ 0x1f5f, 0x1f5f },
+	{ 0x1f68, 0x1f6f },
+	{ 0x1fb8, 0x1fbb },
+	{ 0x1fc8, 0x1fcb },
+	{ 0x1fd8, 0x1fdb },
+	{ 0x1fe8, 0x1fec },
+	{ 0x1ff8, 0x1ffb },
+	{ 0x2102, 0x2102 },
+	{ 0x2107, 0x2107 },
+	{ 0x210b, 0x210d },
+	{ 0x2110, 0x2112 },
+	{ 0x2115, 0x2115 },
+	{ 0x2119, 0x211d },
+	{ 0x2124, 0x2124 },
+	{ 0x2126, 0x2126 },
+	{ 0x2128, 0x2128 },
+	{ 0x212a, 0x212d },
+	{ 0x2130, 0x2133 },
+	{ 0x213e, 0x213f },
+	{ 0x2145, 0x2145 },
+	{ 0x2183, 0x2183 },
+	{ 0x2c00, 0x2c2f },
+	{ 0x2c60, 0x2c60 },
+	{ 0x2c62, 0x2c64 },
+	{ 0x2c67, 0x2c67 },
+	{ 0x2c69, 0x2c69 },
+	{ 0x2c6b, 0x2c6b },
+	{ 0x2c6d, 0x2c70 },
+	{ 0x2c72, 0x2c72 },
+	{ 0x2c75, 0x2c75 },
+	{ 0x2c7e, 0x2c80 },
+	{ 0x2c82, 0x2c82 },
+	{ 0x2c84, 0x2c84 },
+	{ 0x2c86, 0x2c86 },
+	{ 0x2c88, 0x2c88 },
+	{ 0x2c8a, 0x2c8a },
+	{ 0x2c8c, 0x2c8c },
+	{ 0x2c8e, 0x2c8e },
+	{ 0x2c90, 0x2c90 },
+	{ 0x2c92, 0x2c92 },
+	{ 0x2c94, 0x2c94 },
+	{ 0x2c96, 0x2c96 },
+	{ 0x2c98, 0x2c98 },
+	{ 0x2c9a, 0x2c9a },
+	{ 0x2c9c, 0x2c9c },
+	{ 0x2c9e, 0x2c9e },
+	{ 0x2ca0, 0x2ca0 },
+	{ 0x2ca2, 0x2ca2 },
+	{ 0x2ca4, 0x2ca4 },
+	{ 0x2ca6, 0x2ca6 },
+	{ 0x2ca8, 0x2ca8 },
+	{ 0x2caa, 0x2caa },
+	{ 0x2cac, 0x2cac },
+	{ 0x2cae, 0x2cae },
+	{ 0x2cb0, 0x2cb0 },
+	{ 0x2cb2, 0x2cb2 },
+	{ 0x2cb4, 0x2cb4 },
+	{ 0x2cb6, 0x2cb6 },
+	{ 0x2cb8, 0x2cb8 },
+	{ 0x2cba, 0x2cba },
+	{ 0x2cbc, 0x2cbc },
+	{ 0x2cbe, 0x2cbe },
+	{ 0x2cc0, 0x2cc0 },
+	{ 0x2cc2, 0x2cc2 },
+	{ 0x2cc4, 0x2cc4 },
+	{ 0x2cc6, 0x2cc6 },
+	{ 0x2cc8, 0x2cc8 },
+	{ 0x2cca, 0x2cca },
+	{ 0x2ccc, 0x2ccc },
+	{ 0x2cce, 0x2cce },
+	{ 0x2cd0, 0x2cd0 },
+	{ 0x2cd2, 0x2cd2 },
+	{ 0x2cd4, 0x2cd4 },
+	{ 0x2cd6, 0x2cd6 },
+	{ 0x2cd8, 0x2cd8 },
+	{ 0x2cda, 0x2cda },
+	{ 0x2cdc, 0x2cdc },
+	{ 0x2cde, 0x2cde },
+	{ 0x2ce0, 0x2ce0 },
+	{ 0x2ce2, 0x2ce2 },
+	{ 0x2ceb, 0x2ceb },
+	{ 0x2ced, 0x2ced },
+	{ 0x2cf2, 0x2cf2 },
+	{ 0xa640, 0xa640 },
+	{ 0xa642, 0xa642 },
+	{ 0xa644, 0xa644 },
+	{ 0xa646, 0xa646 },
+	{ 0xa648, 0xa648 },
+	{ 0xa64a, 0xa64a },
+	{ 0xa64c, 0xa64c },
+	{ 0xa64e, 0xa64e },
+	{ 0xa650, 0xa650 },
+	{ 0xa652, 0xa652 },
+	{ 0xa654, 0xa654 },
+	{ 0xa656, 0xa656 },
+	{ 0xa658, 0xa658 },
+	{ 0xa65a, 0xa65a },
+	{ 0xa65c, 0xa65c },
+	{ 0xa65e, 0xa65e },
+	{ 0xa660, 0xa660 },
+	{ 0xa662, 0xa662 },
+	{ 0xa664, 0xa664 },
+	{ 0xa666, 0xa666 },
+	{ 0xa668, 0xa668 },
+	{ 0xa66a, 0xa66a },
+	{ 0xa66c, 0xa66c },
+	{ 0xa680, 0xa680 },
+	{ 0xa682, 0xa682 },
+	{ 0xa684, 0xa684 },
+	{ 0xa686, 0xa686 },
+	{ 0xa688, 0xa688 },
+	{ 0xa68a, 0xa68a },
+	{ 0xa68c, 0xa68c },
+	{ 0xa68e, 0xa68e },
+	{ 0xa690, 0xa690 },
+	{ 0xa692, 0xa692 },
+	{ 0xa694, 0xa694 },
+	{ 0xa696, 0xa696 },
+	{ 0xa698, 0xa698 },
+	{ 0xa69a, 0xa69a },
+	{ 0xa722, 0xa722 },
+	{ 0xa724, 0xa724 },
+	{ 0xa726, 0xa726 },
+	{ 0xa728, 0xa728 },
+	{ 0xa72a, 0xa72a },
+	{ 0xa72c, 0xa72c },
+	{ 0xa72e, 0xa72e },
+	{ 0xa732, 0xa732 },
+	{ 0xa734, 0xa734 },
+	{ 0xa736, 0xa736 },
+	{ 0xa738, 0xa738 },
+	{ 0xa73a, 0xa73a },
+	{ 0xa73c, 0xa73c },
+	{ 0xa73e, 0xa73e },
+	{ 0xa740, 0xa740 },
+	{ 0xa742, 0xa742 },
+	{ 0xa744, 0xa744 },
+	{ 0xa746, 0xa746 },
+	{ 0xa748, 0xa748 },
+	{ 0xa74a, 0xa74a },
+	{ 0xa74c, 0xa74c },
+	{ 0xa74e, 0xa74e },
+	{ 0xa750, 0xa750 },
+	{ 0xa752, 0xa752 },
+	{ 0xa754, 0xa754 },
+	{ 0xa756, 0xa756 },
+	{ 0xa758, 0xa758 },
+	{ 0xa75a, 0xa75a },
+	{ 0xa75c, 0xa75c },
+	{ 0xa75e, 0xa75e },
+	{ 0xa760, 0xa760 },
+	{ 0xa762, 0xa762 },
+	{ 0xa764, 0xa764 },
+	{ 0xa766, 0xa766 },
+	{ 0xa768, 0xa768 },
+	{ 0xa76a, 0xa76a },
+	{ 0xa76c, 0xa76c },
+	{ 0xa76e, 0xa76e },
+	{ 0xa779, 0xa779 },
+	{ 0xa77b, 0xa77b },
+	{ 0xa77d, 0xa77e },
+	{ 0xa780, 0xa780 },
+	{ 0xa782, 0xa782 },
+	{ 0xa784, 0xa784 },
+	{ 0xa786, 0xa786 },
+	{ 0xa78b, 0xa78b },
+	{ 0xa78d, 0xa78d },
+	{ 0xa790, 0xa790 },
+	{ 0xa792, 0xa792 },
+	{ 0xa796, 0xa796 },
+	{ 0xa798, 0xa798 },
+	{ 0xa79a, 0xa79a },
+	{ 0xa79c, 0xa79c },
+	{ 0xa79e, 0xa79e },
+	{ 0xa7a0, 0xa7a0 },
+	{ 0xa7a2, 0xa7a2 },
+	{ 0xa7a4, 0xa7a4 },
+	{ 0xa7a6, 0xa7a6 },
+	{ 0xa7a8, 0xa7a8 },
+	{ 0xa7aa, 0xa7ae },
+	{ 0xa7b0, 0xa7b4 },
+	{ 0xa7b6, 0xa7b6 },
+	{ 0xa7b8, 0xa7b8 },
+	{ 0xa7ba, 0xa7ba },
+	{ 0xa7bc, 0xa7bc },
+	{ 0xa7be, 0xa7be },
+	{ 0xa7c0, 0xa7c0 },
+	{ 0xa7c2, 0xa7c2 },
+	{ 0xa7c4, 0xa7c7 },
+	{ 0xa7c9, 0xa7c9 },
+	{ 0xa7d0, 0xa7d0 },
+	{ 0xa7d6, 0xa7d6 },
+	{ 0xa7d8, 0xa7d8 },
+	{ 0xa7f5, 0xa7f5 },
+	{ 0xff21, 0xff3a },
+	{ 0x10400, 0x10427 },
+	{ 0x104b0, 0x104d3 },
+	{ 0x10570, 0x1057a },
+	{ 0x1057c, 0x1058a },
+	{ 0x1058c, 0x10592 },
+	{ 0x10594, 0x10595 },
+	{ 0x10c80, 0x10cb2 },
+	{ 0x118a0, 0x118bf },
+	{ 0x16e40, 0x16e5f },
+	{ 0x1d400, 0x1d419 },
+	{ 0x1d434, 0x1d44d },
+	{ 0x1d468, 0x1d481 },
+	{ 0x1d49c, 0x1d49c },
+	{ 0x1d49e, 0x1d49f },
+	{ 0x1d4a2, 0x1d4a2 },
+	{ 0x1d4a5, 0x1d4a6 },
+	{ 0x1d4a9, 0x1d4ac },
+	{ 0x1d4ae, 0x1d4b5 },
+	{ 0x1d4d0, 0x1d4e9 },
+	{ 0x1d504, 0x1d505 },
+	{ 0x1d507, 0x1d50a },
+	{ 0x1d50d, 0x1d514 },
+	{ 0x1d516, 0x1d51c },
+	{ 0x1d538, 0x1d539 },
+	{ 0x1d53b, 0x1d53e },
+	{ 0x1d540, 0x1d544 },
+	{ 0x1d546, 0x1d546 },
+	{ 0x1d54a, 0x1d550 },
+	{ 0x1d56c, 0x1d585 },
+	{ 0x1d5a0, 0x1d5b9 },
+	{ 0x1d5d4, 0x1d5ed },
+	{ 0x1d608, 0x1d621 },
+	{ 0x1d63c, 0x1d655 },
+	{ 0x1d670, 0x1d689 },
+	{ 0x1d6a8, 0x1d6c0 },
+	{ 0x1d6e2, 0x1d6fa },
+	{ 0x1d71c, 0x1d734 },
+	{ 0x1d756, 0x1d76e },
+	{ 0x1d790, 0x1d7a8 },
+	{ 0x1d7ca, 0x1d7ca },
+	{ 0x1e900, 0x1e921 },
+};
+
+inline constexpr CharRange lowercase_letter[] = {
+	{ 0x61, 0x7a },
+	{ 0xb5, 0xb5 },
+	{ 0xdf, 0xf6 },
+	{ 0xf8, 0xff },
+	{ 0x101, 0x101 },
+	{ 0x103, 0x103 },
+	{ 0x105, 0x105 },
+	{ 0x107, 0x107 },
+	{ 0x109, 0x109 },
+	{ 0x10b, 0x10b },
+	{ 0x10d, 0x10d },
+	{ 0x10f, 0x10f },
+	{ 0x111, 0x111 },
+	{ 0x113, 0x113 },
+	{ 0x115, 0x115 },
+	{ 0x117, 0x117 },
+	{ 0x119, 0x119 },
+	{ 0x11b, 0x11b },
+	{ 0x11d, 0x11d },
+	{ 0x11f, 0x11f },
+	{ 0x121, 0x121 },
+	{ 0x123, 0x123 },
+	{ 0x125, 0x125 },
+	{ 0x127, 0x127 },
+	{ 0x129, 0x129 },
+	{ 0x12b, 0x12b },
+	{ 0x12d, 0x12d },
+	{ 0x12f, 0x12f },
+	{ 0x131, 0x131 },
+	{ 0x133, 0x133 },
+	{ 0x135, 0x135 },
+	{ 0x137, 0x138 },
+	{ 0x13a, 0x13a },
+	{ 0x13c, 0x13c },
+	{ 0x13e, 0x13e },
+	{ 0x140, 0x140 },
+	{ 0x142, 0x142 },
+	{ 0x144, 0x144 },
+	{ 0x146, 0x146 },
+	{ 0x148, 0x149 },
+	{ 0x14b, 0x14b },
+	{ 0x14d, 0x14d },
+	{ 0x14f, 0x14f },
+	{ 0x151, 0x151 },
+	{ 0x153, 0x153 },
+	{ 0x155, 0x155 },
+	{ 0x157, 0x157 },
+	{ 0x159, 0x159 },
+	{ 0x15b, 0x15b },
+	{ 0x15d, 0x15d },
+	{ 0x15f, 0x15f },
+	{ 0x161, 0x161 },
+	{ 0x163, 0x163 },
+	{ 0x165, 0x165 },
+	{ 0x167, 0x167 },
+	{ 0x169, 0x169 },
+	{ 0x16b, 0x16b },
+	{ 0x16d, 0x16d },
+	{ 0x16f, 0x16f },
+	{ 0x171, 0x171 },
+	{ 0x173, 0x173 },
+	{ 0x175, 0x175 },
+	{ 0x177, 0x177 },
+	{ 0x17a, 0x17a },
+	{ 0x17c, 0x17c },
+	{ 0x17e, 0x180 },
+	{ 0x183, 0x183 },
+	{ 0x185, 0x185 },
+	{ 0x188, 0x188 },
+	{ 0x18c, 0x18d },
+	{ 0x192, 0x192 },
+	{ 0x195, 0x195 },
+	{ 0x199, 0x19b },
+	{ 0x19e, 0x19e },
+	{ 0x1a1, 0x1a1 },
+	{ 0x1a3, 0x1a3 },
+	{ 0x1a5, 0x1a5 },
+	{ 0x1a8, 0x1a8 },
+	{ 0x1aa, 0x1ab },
+	{ 0x1ad, 0x1ad },
+	{ 0x1b0, 0x1b0 },
+	{ 0x1b4, 0x1b4 },
+	{ 0x1b6, 0x1b6 },
+	{ 0x1b9, 0x1ba },
+	{ 0x1bd, 0x1bf },
+	{ 0x1c6, 0x1c6 },
+	{ 0x1c9, 0x1c9 },
+	{ 0x1cc, 0x1cc },
+	{ 0x1ce, 0x1ce },
+	{ 0x1d0, 0x1d0 },
+	{ 0x1d2, 0x1d2 },
+	{ 0x1d4, 0x1d4 },
+	{ 0x1d6, 0x1d6 },
+	{ 0x1d8, 0x1d8 },
+	{ 0x1da, 0x1da },
+	{ 0x1dc, 0x1dd },
+	{ 0x1df, 0x1df },
+	{ 0x1e1, 0x1e1 },
+	{ 0x1e3, 0x1e3 },
+	{ 0x1e5, 0x1e5 },
+	{ 0x1e7, 0x1e7 },
+	{ 0x1e9, 0x1e9 },
+	{ 0x1eb, 0x1eb },
+	{ 0x1ed, 0x1ed },
+	{ 0x1ef, 0x1f0 },
+	{ 0x1f3, 0x1f3 },
+	{ 0x1f5, 0x1f5 },
+	{ 0x1f9, 0x1f9 },
+	{ 0x1fb, 0x1fb },
+	{ 0x1fd, 0x1fd },
+	{ 0x1ff, 0x1ff },
+	{ 0x201, 0x201 },
+	{ 0x203, 0x203 },
+	{ 0x205, 0x205 },
+	{ 0x207, 0x207 },
+	{ 0x209, 0x209 },
+	{ 0x20b, 0x20b },
+	{ 0x20d, 0x20d },
+	{ 0x20f, 0x20f },
+	{ 0x211, 0x211 },
+	{ 0x213, 0x213 },
+	{ 0x215, 0x215 },
+	{ 0x217, 0x217 },
+	{ 0x219, 0x219 },
+	{ 0x21b, 0x21b },
+	{ 0x21d, 0x21d },
+	{ 0x21f, 0x21f },
+	{ 0x221, 0x221 },
+	{ 0x223, 0x223 },
+	{ 0x225, 0x225 },
+	{ 0x227, 0x227 },
+	{ 0x229, 0x229 },
+	{ 0x22b, 0x22b },
+	{ 0x22d, 0x22d },
+	{ 0x22f, 0x22f },
+	{ 0x231, 0x231 },
+	{ 0x233, 0x239 },
+	{ 0x23c, 0x23c },
+	{ 0x23f, 0x240 },
+	{ 0x242, 0x242 },
+	{ 0x247, 0x247 },
+	{ 0x249, 0x249 },
+	{ 0x24b, 0x24b },
+	{ 0x24d, 0x24d },
+	{ 0x24f, 0x293 },
+	{ 0x295, 0x2af },
+	{ 0x371, 0x371 },
+	{ 0x373, 0x373 },
+	{ 0x377, 0x377 },
+	{ 0x37b, 0x37d },
+	{ 0x390, 0x390 },
+	{ 0x3ac, 0x3ce },
+	{ 0x3d0, 0x3d1 },
+	{ 0x3d5, 0x3d7 },
+	{ 0x3d9, 0x3d9 },
+	{ 0x3db, 0x3db },
+	{ 0x3dd, 0x3dd },
+	{ 0x3df, 0x3df },
+	{ 0x3e1, 0x3e1 },
+	{ 0x3e3, 0x3e3 },
+	{ 0x3e5, 0x3e5 },
+	{ 0x3e7, 0x3e7 },
+	{ 0x3e9, 0x3e9 },
+	{ 0x3eb, 0x3eb },
+	{ 0x3ed, 0x3ed },
+	{ 0x3ef, 0x3f3 },
+	{ 0x3f5, 0x3f5 },
+	{ 0x3f8, 0x3f8 },
+	{ 0x3fb, 0x3fc },
+	{ 0x430, 0x45f },
+	{ 0x461, 0x461 },
+	{ 0x463, 0x463 },
+	{ 0x465, 0x465 },
+	{ 0x467, 0x467 },
+	{ 0x469, 0x469 },
+	{ 0x46b, 0x46b },
+	{ 0x46d, 0x46d },
+	{ 0x46f, 0x46f },
+	{ 0x471, 0x471 },
+	{ 0x473, 0x473 },
+	{ 0x475, 0x475 },
+	{ 0x477, 0x477 },
+	{ 0x479, 0x479 },
+	{ 0x47b, 0x47b },
+	{ 0x47d, 0x47d },
+	{ 0x47f, 0x47f },
+	{ 0x481, 0x481 },
+	{ 0x48b, 0x48b },
+	{ 0x48d, 0x48d },
+	{ 0x48f, 0x48f },
+	{ 0x491, 0x491 },
+	{ 0x493, 0x493 },
+	{ 0x495, 0x495 },
+	{ 0x497, 0x497 },
+	{ 0x499, 0x499 },
+	{ 0x49b, 0x49b },
+	{ 0x49d, 0x49d },
+	{ 0x49f, 0x49f },
+	{ 0x4a1, 0x4a1 },
+	{ 0x4a3, 0x4a3 },
+	{ 0x4a5, 0x4a5 },
+	{ 0x4a7, 0x4a7 },
+	{ 0x4a9, 0x4a9 },
+	{ 0x4ab, 0x4ab },
+	{ 0x4ad, 0x4ad },
+	{ 0x4af, 0x4af },
+	{ 0x4b1, 0x4b1 },
+	{ 0x4b3, 0x4b3 },
+	{ 0x4b5, 0x4b5 },
+	{ 0x4b7, 0x4b7 },
+	{ 0x4b9, 0x4b9 },
+	{ 0x4bb, 0x4bb },
+	{ 0x4bd, 0x4bd },
+	{ 0x4bf, 0x4bf },
+	{ 0x4c2, 0x4c2 },
+	{ 0x4c4, 0x4c4 },
+	{ 0x4c6, 0x4c6 },
+	{ 0x4c8, 0x4c8 },
+	{ 0x4ca, 0x4ca },
+	{ 0x4cc, 0x4cc },
+	{ 0x4ce, 0x4cf },
+	{ 0x4d1, 0x4d1 },
+	{ 0x4d3, 0x4d3 },
+	{ 0x4d5, 0x4d5 },
+	{ 0x4d7, 0x4d7 },
+	{ 0x4d9, 0x4d9 },
+	{ 0x4db, 0x4db },
+	{ 0x4dd, 0x4dd },
+	{ 0x4df, 0x4df },
+	{ 0x4e1, 0x4e1 },
+	{ 0x4e3, 0x4e3 },
+	{ 0x4e5, 0x4e5 },
+	{ 0x4e7, 0x4e7 },
+	{ 0x4e9, 0x4e9 },
+	{ 0x4eb, 0x4eb },
+	{ 0x4ed, 0x4ed },
+	{ 0x4ef, 0x4ef },
+	{ 0x4f1, 0x4f1 },
+	{ 0x4f3, 0x4f3 },
+	{ 0x4f5, 0x4f5 },
+	{ 0x4f7, 0x4f7 },
+	{ 0x4f9, 0x4f9 },
+	{ 0x4fb, 0x4fb },
+	{ 0x4fd, 0x4fd },
+	{ 0x4ff, 0x4ff },
+	{ 0x501, 0x501 },
+	{ 0x503, 0x503 },
+	{ 0x505, 0x505 },
+	{ 0x507, 0x507 },
+	{ 0x509, 0x509 },
+	{ 0x50b, 0x50b },
+	{ 0x50d, 0x50d },
+	{ 0x50f, 0x50f },
+	{ 0x511, 0x511 },
+	{ 0x513, 0x513 },
+	{ 0x515, 0x515 },
+	{ 0x517, 0x517 },
+	{ 0x519, 0x519 },
+	{ 0x51b, 0x51b },
+	{ 0x51d, 0x51d },
+	{ 0x51f, 0x51f },
+	{ 0x521, 0x521 },
+	{ 0x523, 0x523 },
+	{ 0x525, 0x525 },
+	{ 0x527, 0x527 },
+	{ 0x529, 0x529 },
+	{ 0x52b, 0x52b },
+	{ 0x52d, 0x52d },
+	{ 0x52f, 0x52f },
+	{ 0x560, 0x588 },
+	{ 0x10d0, 0x10fa },
+	{ 0x10fd, 0x10ff },
+	{ 0x13f8, 0x13fd },
+	{ 0x1c80, 0x1c88 },
+	{ 0x1d00, 0x1d2b },
+	{ 0x1d6b, 0x1d77 },
+	{ 0x1d79, 0x1d9a },
+	{ 0x1e01, 0x1e01 },
+	{ 0x1e03, 0x1e03 },
+	{ 0x1e05, 0x1e05 },
+	{ 0x1e07, 0x1e07 },
+	{ 0x1e09, 0x1e09 },
+	{ 0x1e0b, 0x1e0b },
+	{ 0x1e0d, 0x1e0d },
+	{ 0x1e0f, 0x1e0f },
+	{ 0x1e11, 0x1e11 },
+	{ 0x1e13, 0x1e13 },
+	{ 0x1e15, 0x1e15 },
+	{ 0x1e17, 0x1e17 },
+	{ 0x1e19, 0x1e19 },
+	{ 0x1e1b, 0x1e1b },
+	{ 0x1e1d, 0x1e1d },
+	{ 0x1e1f, 0x1e1f },
+	{ 0x1e21, 0x1e21 },
+	{ 0x1e23, 0x1e23 },
+	{ 0x1e25, 0x1e25 },
+	{ 0x1e27, 0x1e27 },
+	{ 0x1e29, 0x1e29 },
+	{ 0x1e2b, 0x1e2b },
+	{ 0x1e2d, 0x1e2d },
+	{ 0x1e2f, 0x1e2f },
+	{ 0x1e31, 0x1e31 },
+	{ 0x1e33, 0x1e33 },
+	{ 0x1e35, 0x1e35 },
+	{ 0x1e37, 0x1e37 },
+	{ 0x1e39, 0x1e39 },
+	{ 0x1e3b, 0x1e3b },
+	{ 0x1e3d, 0x1e3d },
+	{ 0x1e3f, 0x1e3f },
+	{ 0x1e41, 0x1e41 },
+	{ 0x1e43, 0x1e43 },
+	{ 0x1e45, 0x1e45 },
+	{ 0x1e47, 0x1e47 },
+	{ 0x1e49, 0x1e49 },
+	{ 0x1e4b, 0x1e4b },
+	{ 0x1e4d, 0x1e4d },
+	{ 0x1e4f, 0x1e4f },
+	{ 0x1e51, 0x1e51 },
+	{ 0x1e53, 0x1e53 },
+	{ 0x1e55, 0x1e55 },
+	{ 0x1e57, 0x1e57 },
+	{ 0x1e59, 0x1e59 },
+	{ 0x1e5b, 0x1e5b },
+	{ 0x1e5d, 0x1e5d },
+	{ 0x1e5f, 0x1e5f },
+	{ 0x1e61, 0x1e61 },
+	{ 0x1e63, 0x1e63 },
+	{ 0x1e65, 0x1e65 },
+	{ 0x1e67, 0x1e67 },
+	{ 0x1e69, 0x1e69 },
+	{ 0x1e6b, 0x1e6b },
+	{ 0x1e6d, 0x1e6d },
+	{ 0x1e6f, 0x1e6f },
+	{ 0x1e71, 0x1e71 },
+	{ 0x1e73, 0x1e73 },
+	{ 0x1e75, 0x1e75 },
+	{ 0x1e77, 0x1e77 },
+	{ 0x1e79, 0x1e79 },
+	{ 0x1e7b, 0x1e7b },
+	{ 0x1e7d, 0x1e7d },
+	{ 0x1e7f, 0x1e7f },
+	{ 0x1e81, 0x1e81 },
+	{ 0x1e83, 0x1e83 },
+	{ 0x1e85, 0x1e85 },
+	{ 0x1e87, 0x1e87 },
+	{ 0x1e89, 0x1e89 },
+	{ 0x1e8b, 0x1e8b },
+	{ 0x1e8d, 0x1e8d },
+	{ 0x1e8f, 0x1e8f },
+	{ 0x1e91, 0x1e91 },
+	{ 0x1e93, 0x1e93 },
+	{ 0x1e95, 0x1e9d },
+	{ 0x1e9f, 0x1e9f },
+	{ 0x1ea1, 0x1ea1 },
+	{ 0x1ea3, 0x1ea3 },
+	{ 0x1ea5, 0x1ea5 },
+	{ 0x1ea7, 0x1ea7 },
+	{ 0x1ea9, 0x1ea9 },
+	{ 0x1eab, 0x1eab },
+	{ 0x1ead, 0x1ead },
+	{ 0x1eaf, 0x1eaf },
+	{ 0x1eb1, 0x1eb1 },
+	{ 0x1eb3, 0x1eb3 },
+	{ 0x1eb5, 0x1eb5 },
+	{ 0x1eb7, 0x1eb7 },
+	{ 0x1eb9, 0x1eb9 },
+	{ 0x1ebb, 0x1ebb },
+	{ 0x1ebd, 0x1ebd },
+	{ 0x1ebf, 0x1ebf },
+	{ 0x1ec1, 0x1ec1 },
+	{ 0x1ec3, 0x1ec3 },
+	{ 0x1ec5, 0x1ec5 },
+	{ 0x1ec7, 0x1ec7 },
+	{ 0x1ec9, 0x1ec9 },
+	{ 0x1ecb, 0x1ecb },
+	{ 0x1ecd, 0x1ecd },
+	{ 0x1ecf, 0x1ecf },
+	{ 0x1ed1, 0x1ed1 },
+	{ 0x1ed3, 0x1ed3 },
+	{ 0x1ed5, 0x1ed5 },
+	{ 0x1ed7, 0x1ed7 },
+	{ 0x1ed9, 0x1ed9 },
+	{ 0x1edb, 0x1edb },
+	{ 0x1edd, 0x1edd },
+	{ 0x1edf, 0x1edf },
+	{ 0x1ee1, 0x1ee1 },
+	{ 0x1ee3, 0x1ee3 },
+	{ 0x1ee5, 0x1ee5 },
+	{ 0x1ee7, 0x1ee7 },
+	{ 0x1ee9, 0x1ee9 },
+	{ 0x1eeb, 0x1eeb },
+	{ 0x1eed, 0x1eed },
+	{ 0x1eef, 0x1eef },
+	{ 0x1ef1, 0x1ef1 },
+	{ 0x1ef3, 0x1ef3 },
+	{ 0x1ef5, 0x1ef5 },
+	{ 0x1ef7, 0x1ef7 },
+	{ 0x1ef9, 0x1ef9 },
+	{ 0x1efb, 0x1efb },
+	{ 0x1efd, 0x1efd },
+	{ 0x1eff, 0x1f07 },
+	{ 0x1f10, 0x1f15 },
+	{ 0x1f20, 0x1f27 },
+	{ 0x1f30, 0x1f37 },
+	{ 0x1f40, 0x1f45 },
+	{ 0x1f50, 0x1f57 },
+	{ 0x1f60, 0x1f67 },
+	{ 0x1f70, 0x1f7d },
+	{ 0x1f80, 0x1f87 },
+	{ 0x1f90, 0x1f97 },
+	{ 0x1fa0, 0x1fa7 },
+	{ 0x1fb0, 0x1fb4 },
+	{ 0x1fb6, 0x1fb7 },
+	{ 0x1fbe, 0x1fbe },
+	{ 0x1fc2, 0x1fc4 },
+	{ 0x1fc6, 0x1fc7 },
+	{ 0x1fd0, 0x1fd3 },
+	{ 0x1fd6, 0x1fd7 },
+	{ 0x1fe0, 0x1fe7 },
+	{ 0x1ff2, 0x1ff4 },
+	{ 0x1ff6, 0x1ff7 },
+	{ 0x210a, 0x210a },
+	{ 0x210e, 0x210f },
+	{ 0x2113, 0x2113 },
+	{ 0x212f, 0x212f },
+	{ 0x2134, 0x2134 },
+	{ 0x2139, 0x2139 },
+	{ 0x213c, 0x213d },
+	{ 0x2146, 0x2149 },
+	{ 0x214e, 0x214e },
+	{ 0x2184, 0x2184 },
+	{ 0x2c30, 0x2c5f },
+	{ 0x2c61, 0x2c61 },
+	{ 0x2c65, 0x2c66 },
+	{ 0x2c68, 0x2c68 },
+	{ 0x2c6a, 0x2c6a },
+	{ 0x2c6c, 0x2c6c },
+	{ 0x2c71, 0x2c71 },
+	{ 0x2c73, 0x2c74 },
+	{ 0x2c76, 0x2c7b },
+	{ 0x2c81, 0x2c81 },
+	{ 0x2c83, 0x2c83 },
+	{ 0x2c85, 0x2c85 },
+	{ 0x2c87, 0x2c87 },
+	{ 0x2c89, 0x2c89 },
+	{ 0x2c8b, 0x2c8b },
+	{ 0x2c8d, 0x2c8d },
+	{ 0x2c8f, 0x2c8f },
+	{ 0x2c91, 0x2c91 },
+	{ 0x2c93, 0x2c93 },
+	{ 0x2c95, 0x2c95 },
+	{ 0x2c97, 0x2c97 },
+	{ 0x2c99, 0x2c99 },
+	{ 0x2c9b, 0x2c9b },
+	{ 0x2c9d, 0x2c9d },
+	{ 0x2c9f, 0x2c9f },
+	{ 0x2ca1, 0x2ca1 },
+	{ 0x2ca3, 0x2ca3 },
+	{ 0x2ca5, 0x2ca5 },
+	{ 0x2ca7, 0x2ca7 },
+	{ 0x2ca9, 0x2ca9 },
+	{ 0x2cab, 0x2cab },
+	{ 0x2cad, 0x2cad },
+	{ 0x2caf, 0x2caf },
+	{ 0x2cb1, 0x2cb1 },
+	{ 0x2cb3, 0x2cb3 },
+	{ 0x2cb5, 0x2cb5 },
+	{ 0x2cb7, 0x2cb7 },
+	{ 0x2cb9, 0x2cb9 },
+	{ 0x2cbb, 0x2cbb },
+	{ 0x2cbd, 0x2cbd },
+	{ 0x2cbf, 0x2cbf },
+	{ 0x2cc1, 0x2cc1 },
+	{ 0x2cc3, 0x2cc3 },
+	{ 0x2cc5, 0x2cc5 },
+	{ 0x2cc7, 0x2cc7 },
+	{ 0x2cc9, 0x2cc9 },
+	{ 0x2ccb, 0x2ccb },
+	{ 0x2ccd, 0x2ccd },
+	{ 0x2ccf, 0x2ccf },
+	{ 0x2cd1, 0x2cd1 },
+	{ 0x2cd3, 0x2cd3 },
+	{ 0x2cd5, 0x2cd5 },
+	{ 0x2cd7, 0x2cd7 },
+	{ 0x2cd9, 0x2cd9 },
+	{ 0x2cdb, 0x2cdb },
+	{ 0x2cdd, 0x2cdd },
+	{ 0x2cdf, 0x2cdf },
+	{ 0x2ce1, 0x2ce1 },
+	{ 0x2ce3, 0x2ce4 },
+	{ 0x2cec, 0x2cec },
+	{ 0x2cee, 0x2cee },
+	{ 0x2cf3, 0x2cf3 },
+	{ 0x2d00, 0x2d25 },
+	{ 0x2d27, 0x2d27 },
+	{ 0x2d2d, 0x2d2d },
+	{ 0xa641, 0xa641 },
+	{ 0xa643, 0xa643 },
+	{ 0xa645, 0xa645 },
+	{ 0xa647, 0xa647 },
+	{ 0xa649, 0xa649 },
+	{ 0xa64b, 0xa64b },
+	{ 0xa64d, 0xa64d },
+	{ 0xa64f, 0xa64f },
+	{ 0xa651, 0xa651 },
+	{ 0xa653, 0xa653 },
+	{ 0xa655, 0xa655 },
+	{ 0xa657, 0xa657 },
+	{ 0xa659, 0xa659 },
+	{ 0xa65b, 0xa65b },
+	{ 0xa65d, 0xa65d },
+	{ 0xa65f, 0xa65f },
+	{ 0xa661, 0xa661 },
+	{ 0xa663, 0xa663 },
+	{ 0xa665, 0xa665 },
+	{ 0xa667, 0xa667 },
+	{ 0xa669, 0xa669 },
+	{ 0xa66b, 0xa66b },
+	{ 0xa66d, 0xa66d },
+	{ 0xa681, 0xa681 },
+	{ 0xa683, 0xa683 },
+	{ 0xa685, 0xa685 },
+	{ 0xa687, 0xa687 },
+	{ 0xa689, 0xa689 },
+	{ 0xa68b, 0xa68b },
+	{ 0xa68d, 0xa68d },
+	{ 0xa68f, 0xa68f },
+	{ 0xa691, 0xa691 },
+	{ 0xa693, 0xa693 },
+	{ 0xa695, 0xa695 },
+	{ 0xa697, 0xa697 },
+	{ 0xa699, 0xa699 },
+	{ 0xa69b, 0xa69b },
+	{ 0xa723, 0xa723 },
+	{ 0xa725, 0xa725 },
+	{ 0xa727, 0xa727 },
+	{ 0xa729, 0xa729 },
+	{ 0xa72b, 0xa72b },
+	{ 0xa72d, 0xa72d },
+	{ 0xa72f, 0xa731 },
+	{ 0xa733, 0xa733 },
+	{ 0xa735, 0xa735 },
+	{ 0xa737, 0xa737 },
+	{ 0xa739, 0xa739 },
+	{ 0xa73b, 0xa73b },
+	{ 0xa73d, 0xa73d },
+	{ 0xa73f, 0xa73f },
+	{ 0xa741, 0xa741 },
+	{ 0xa743, 0xa743 },
+	{ 0xa745, 0xa745 },
+	{ 0xa747, 0xa747 },
+	{ 0xa749, 0xa749 },
+	{ 0xa74b, 0xa74b },
+	{ 0xa74d, 0xa74d },
+	{ 0xa74f, 0xa74f },
+	{ 0xa751, 0xa751 },
+	{ 0xa753, 0xa753 },
+	{ 0xa755, 0xa755 },
+	{ 0xa757, 0xa757 },
+	{ 0xa759, 0xa759 },
+	{ 0xa75b, 0xa75b },
+	{ 0xa75d, 0xa75d },
+	{ 0xa75f, 0xa75f },
+	{ 0xa761, 0xa761 },
+	{ 0xa763, 0xa763 },
+	{ 0xa765, 0xa765 },
+	{ 0xa767, 0xa767 },
+	{ 0xa769, 0xa769 },
+	{ 0xa76b, 0xa76b },
+	{ 0xa76d, 0xa76d },
+	{ 0xa76f, 0xa76f },
+	{ 0xa771, 0xa778 },
+	{ 0xa77a, 0xa77a },
+	{ 0xa77c, 0xa77c },
+	{ 0xa77f, 0xa77f },
+	{ 0xa781, 0xa781 },
+	{ 0xa783, 0xa783 },
+	{ 0xa785, 0xa785 },
+	{ 0xa787, 0xa787 },
+	{ 0xa78c, 0xa78c },
+	{ 0xa78e, 0xa78e },
+	{ 0xa791, 0xa791 },
+	{ 0xa793, 0xa795 },
+	{ 0xa797, 0xa797 },
+	{ 0xa799, 0xa799 },
+	{ 0xa79b, 0xa79b },
+	{ 0xa79d, 0xa79d },
+	{ 0xa79f, 0xa79f },
+	{ 0xa7a1, 0xa7a1 },
+	{ 0xa7a3, 0xa7a3 },
+	{ 0xa7a5, 0xa7a5 },
+	{ 0xa7a7, 0xa7a7 },
+	{ 0xa7a9, 0xa7a9 },
+	{ 0xa7af, 0xa7af },
+	{ 0xa7b5, 0xa7b5 },
+	{ 0xa7b7, 0xa7b7 },
+	{ 0xa7b9, 0xa7b9 },
+	{ 0xa7bb, 0xa7bb },
+	{ 0xa7bd, 0xa7bd },
+	{ 0xa7bf, 0xa7bf },
+	{ 0xa7c1, 0xa7c1 },
+	{ 0xa7c3, 0xa7c3 },
+	{ 0xa7c8, 0xa7c8 },
+	{ 0xa7ca, 0xa7ca },
+	{ 0xa7d1, 0xa7d1 },
+	{ 0xa7d3, 0xa7d3 },
+	{ 0xa7d5, 0xa7d5 },
+	{ 0xa7d7, 0xa7d7 },
+	{ 0xa7d9, 0xa7d9 },
+	{ 0xa7f6, 0xa7f6 },
+	{ 0xa7fa, 0xa7fa },
+	{ 0xab30, 0xab5a },
+	{ 0xab60, 0xab68 },
+	{ 0xab70, 0xabbf },
+	{ 0xfb00, 0xfb06 },
+	{ 0xfb13, 0xfb17 },
+	{ 0xff41, 0xff5a },
+	{ 0x10428, 0x1044f },
+	{ 0x104d8, 0x104fb },
+	{ 0x10597, 0x105a1 },
+	{ 0x105a3, 0x105b1 },
+	{ 0x105b3, 0x105b9 },
+	{ 0x105bb, 0x105bc },
+	{ 0x10cc0, 0x10cf2 },
+	{ 0x118c0, 0x118df },
+	{ 0x16e60, 0x16e7f },
+	{ 0x1d41a, 0x1d433 },
+	{ 0x1d44e, 0x1d454 },
+	{ 0x1d456, 0x1d467 },
+	{ 0x1d482, 0x1d49b },
+	{ 0x1d4b6, 0x1d4b9 },
+	{ 0x1d4bb, 0x1d4bb },
+	{ 0x1d4bd, 0x1d4c3 },
+	{ 0x1d4c5, 0x1d4cf },
+	{ 0x1d4ea, 0x1d503 },
+	{ 0x1d51e, 0x1d537 },
+	{ 0x1d552, 0x1d56b },
+	{ 0x1d586, 0x1d59f },
+	{ 0x1d5ba, 0x1d5d3 },
+	{ 0x1d5ee, 0x1d607 },
+	{ 0x1d622, 0x1d63b },
+	{ 0x1d656, 0x1d66f },
+	{ 0x1d68a, 0x1d6a5 },
+	{ 0x1d6c2, 0x1d6da },
+	{ 0x1d6dc, 0x1d6e1 },
+	{ 0x1d6fc, 0x1d714 },
+	{ 0x1d716, 0x1d71b },
+	{ 0x1d736, 0x1d74e },
+	{ 0x1d750, 0x1d755 },
+	{ 0x1d770, 0x1d788 },
+	{ 0x1d78a, 0x1d78f },
+	{ 0x1d7aa, 0x1d7c2 },
+	{ 0x1d7c4, 0x1d7c9 },
+	{ 0x1d7cb, 0x1d7cb },
+	{ 0x1df00, 0x1df09 },
+	{ 0x1df0b, 0x1df1e },
+	{ 0x1df25, 0x1df2a },
+	{ 0x1e922, 0x1e943 },
 };
 
 #endif // CHAR_RANGE_INC

core/string/char_utils.h

@@ -35,24 +35,43 @@
 
 #include "char_range.inc"
 
+#define BSEARCH_CHAR_RANGE(m_array)                      \
+	int low = 0;                                         \
+	int high = sizeof(m_array) / sizeof(m_array[0]) - 1; \
+	int middle;                                          \
+                                                         \
+	while (low <= high) {                                \
+		middle = (low + high) / 2;                       \
+                                                         \
+		if (c < m_array[middle].start) {                 \
+			high = middle - 1;                           \
+		} else if (c > m_array[middle].end) {            \
+			low = middle + 1;                            \
+		} else {                                         \
+			return true;                                 \
+		}                                                \
+	}                                                    \
+                                                         \
+	return false
+
 static _FORCE_INLINE_ bool is_unicode_identifier_start(char32_t c) {
-	for (int i = 0; xid_start[i].start != 0; i++) {
-		if (c >= xid_start[i].start && c <= xid_start[i].end) {
-			return true;
-		}
-	}
-	return false;
+	BSEARCH_CHAR_RANGE(xid_start);
 }
 
 static _FORCE_INLINE_ bool is_unicode_identifier_continue(char32_t c) {
-	for (int i = 0; xid_continue[i].start != 0; i++) {
-		if (c >= xid_continue[i].start && c <= xid_continue[i].end) {
-			return true;
-		}
-	}
-	return false;
+	BSEARCH_CHAR_RANGE(xid_continue);
+}
+
+static _FORCE_INLINE_ bool is_unicode_upper_case(char32_t c) {
+	BSEARCH_CHAR_RANGE(uppercase_letter);
 }
 
+static _FORCE_INLINE_ bool is_unicode_lower_case(char32_t c) {
+	BSEARCH_CHAR_RANGE(lowercase_letter);
+}
+
+#undef BSEARCH_CHAR_RANGE
+
 static _FORCE_INLINE_ bool is_ascii_upper_case(char32_t c) {
 	return (c >= 'A' && c <= 'Z');
 }

core/string/ustring.cpp

@@ -1044,17 +1044,17 @@ String String::_camelcase_to_underscore() const {
 	int start_index = 0;
 
 	for (int i = 1; i < size(); i++) {
-		bool is_prev_upper = is_ascii_upper_case(cstr[i - 1]);
-		bool is_prev_lower = is_ascii_lower_case(cstr[i - 1]);
+		bool is_prev_upper = is_unicode_upper_case(cstr[i - 1]);
+		bool is_prev_lower = is_unicode_lower_case(cstr[i - 1]);
 		bool is_prev_digit = is_digit(cstr[i - 1]);
 
-		bool is_curr_upper = is_ascii_upper_case(cstr[i]);
-		bool is_curr_lower = is_ascii_lower_case(cstr[i]);
+		bool is_curr_upper = is_unicode_upper_case(cstr[i]);
+		bool is_curr_lower = is_unicode_lower_case(cstr[i]);
 		bool is_curr_digit = is_digit(cstr[i]);
 
 		bool is_next_lower = false;
 		if (i + 1 < size()) {
-			is_next_lower = is_ascii_lower_case(cstr[i + 1]);
+			is_next_lower = is_unicode_lower_case(cstr[i + 1]);
 		}
 
 		const bool cond_a = is_prev_lower && is_curr_upper; // aA

tests/core/string/test_string.h

@@ -1300,39 +1300,54 @@ TEST_CASE("[String] Capitalize against many strings") {
 	input = "snake_case_function( snake_case_arg )";
 	output = "Snake Case Function( Snake Case Arg )";
 	CHECK(input.capitalize() == output);
+
+	input = U"словоСлово_слово слово";
+	output = U"Слово Слово Слово Слово";
+	CHECK(input.capitalize() == output);
+
+	input = U"λέξηΛέξη_λέξη λέξη";
+	output = U"Λέξη Λέξη Λέξη Λέξη";
+	CHECK(input.capitalize() == output);
+
+	input = U"բառԲառ_բառ բառ";
+	output = U"Բառ Բառ Բառ Բառ";
+	CHECK(input.capitalize() == output);
 }
 
 struct StringCasesTestCase {
-	const char *input;
-	const char *camel_case;
-	const char *pascal_case;
-	const char *snake_case;
+	const char32_t *input;
+	const char32_t *camel_case;
+	const char32_t *pascal_case;
+	const char32_t *snake_case;
 };
 
 TEST_CASE("[String] Checking case conversion methods") {
 	StringCasesTestCase test_cases[] = {
 		/* clang-format off */
-		{ "2D",                "2d",              "2d",              "2d"                },
-		{ "2d",                "2d",              "2d",              "2d"                },
-		{ "2db",               "2Db",             "2Db",             "2_db"              },
-		{ "Vector3",           "vector3",         "Vector3",         "vector_3"          },
-		{ "sha256",            "sha256",          "Sha256",          "sha_256"           },
-		{ "Node2D",            "node2d",          "Node2d",          "node_2d"           },
-		{ "RichTextLabel",     "richTextLabel",   "RichTextLabel",   "rich_text_label"   },
-		{ "HTML5",             "html5",           "Html5",           "html_5"            },
-		{ "Node2DPosition",    "node2dPosition",  "Node2dPosition",  "node_2d_position"  },
-		{ "Number2Digits",     "number2Digits",   "Number2Digits",   "number_2_digits"   },
-		{ "get_property_list", "getPropertyList", "GetPropertyList", "get_property_list" },
-		{ "get_camera_2d",     "getCamera2d",     "GetCamera2d",     "get_camera_2d"     },
-		{ "_physics_process",  "physicsProcess",  "PhysicsProcess",  "_physics_process"  },
-		{ "bytes2var",         "bytes2Var",       "Bytes2Var",       "bytes_2_var"       },
-		{ "linear2db",         "linear2Db",       "Linear2Db",       "linear_2_db"       },
-		{ "sha256sum",         "sha256Sum",       "Sha256Sum",       "sha_256_sum"       },
-		{ "camelCase",         "camelCase",       "CamelCase",       "camel_case"        },
-		{ "PascalCase",        "pascalCase",      "PascalCase",      "pascal_case"       },
-		{ "snake_case",        "snakeCase",       "SnakeCase",       "snake_case"        },
-		{ "Test TEST test",    "testTestTest",    "TestTestTest",    "test_test_test"    },
-		{ nullptr,             nullptr,           nullptr,           nullptr             },
+		{ U"2D",                     U"2d",                   U"2d",                   U"2d"                      },
+		{ U"2d",                     U"2d",                   U"2d",                   U"2d"                      },
+		{ U"2db",                    U"2Db",                  U"2Db",                  U"2_db"                    },
+		{ U"Vector3",                U"vector3",              U"Vector3",              U"vector_3"                },
+		{ U"sha256",                 U"sha256",               U"Sha256",               U"sha_256"                 },
+		{ U"Node2D",                 U"node2d",               U"Node2d",               U"node_2d"                 },
+		{ U"RichTextLabel",          U"richTextLabel",        U"RichTextLabel",        U"rich_text_label"         },
+		{ U"HTML5",                  U"html5",                U"Html5",                U"html_5"                  },
+		{ U"Node2DPosition",         U"node2dPosition",       U"Node2dPosition",       U"node_2d_position"        },
+		{ U"Number2Digits",          U"number2Digits",        U"Number2Digits",        U"number_2_digits"         },
+		{ U"get_property_list",      U"getPropertyList",      U"GetPropertyList",      U"get_property_list"       },
+		{ U"get_camera_2d",          U"getCamera2d",          U"GetCamera2d",          U"get_camera_2d"           },
+		{ U"_physics_process",       U"physicsProcess",       U"PhysicsProcess",       U"_physics_process"        },
+		{ U"bytes2var",              U"bytes2Var",            U"Bytes2Var",            U"bytes_2_var"             },
+		{ U"linear2db",              U"linear2Db",            U"Linear2Db",            U"linear_2_db"             },
+		{ U"sha256sum",              U"sha256Sum",            U"Sha256Sum",            U"sha_256_sum"             },
+		{ U"camelCase",              U"camelCase",            U"CamelCase",            U"camel_case"              },
+		{ U"PascalCase",             U"pascalCase",           U"PascalCase",           U"pascal_case"             },
+		{ U"snake_case",             U"snakeCase",            U"SnakeCase",            U"snake_case"              },
+		{ U"Test TEST test",         U"testTestTest",         U"TestTestTest",         U"test_test_test"          },
+		{ U"словоСлово_слово слово", U"словоСловоСловоСлово", U"СловоСловоСловоСлово", U"слово_слово_слово_слово" },
+		{ U"λέξηΛέξη_λέξη λέξη",     U"λέξηΛέξηΛέξηΛέξη",     U"ΛέξηΛέξηΛέξηΛέξη",     U"λέξη_λέξη_λέξη_λέξη"     },
+		{ U"բառԲառ_բառ բառ",         U"բառԲառԲառԲառ",         U"ԲառԲառԲառԲառ",         U"բառ_բառ_բառ_բառ"         },
+		{ nullptr,                   nullptr,                 nullptr,                 nullptr                    },
 		/* clang-format on */
 	};