$assemblyInfoPath = "src\PixiEditor\Properties\AssemblyInfo.cs" $contents = [System.IO.File]::ReadAllText($assemblyInfoPath) $versionString = [RegEx]::Match($contents,"(?:\d+\.\d+\.\d+\.\d+)") Write-Host "##vso[task.setvariable variable=TagVersion;]$versionString"