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@@ -1043,3 +1043,40 @@ test_us_phone_number :: proc(t: ^testing.T) {
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EXPR :: `^[2-9]\d{2}-\d{3}-\d{4}$`
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check_expression(t, EXPR, "650-253-0001", "650-253-0001")
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}
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+
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+@test
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+test_preallocated_capture :: proc(t: ^testing.T) {
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+ capture := regex.preallocate_capture()
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+ defer regex.destroy(capture)
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+
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+ for pos in capture.pos {
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+ testing.expect_value(t, pos, [2]int{0, 0})
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+ }
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+ for group in capture.groups {
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+ testing.expect_value(t, group, "")
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+ }
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+
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+ rex, parse_err := regex.create(`f(o)ob(ar)`)
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+ if !testing.expect_value(t, parse_err, nil) {
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+ return
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+ }
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+ defer regex.destroy(rex)
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+
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+ num_groups, success := regex.match_with_preallocated_capture(rex, "foobar", &capture)
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+ testing.expect_value(t, num_groups, 3)
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+ testing.expect_value(t, success, true)
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+
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+ testing.expect_value(t, capture.pos[0], [2]int{0, 6})
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+ testing.expect_value(t, capture.pos[1], [2]int{1, 2})
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+ testing.expect_value(t, capture.pos[2], [2]int{4, 6})
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+ for pos in capture.pos[3:] {
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+ testing.expect_value(t, pos, [2]int{0, 0})
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+ }
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+
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+ testing.expect_value(t, capture.groups[0], "foobar")
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+ testing.expect_value(t, capture.groups[1], "o")
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+ testing.expect_value(t, capture.groups[2], "ar")
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+ for groups in capture.groups[3:] {
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+ testing.expect_value(t, groups, "")
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+ }
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+}
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Ycros