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Write-RegEx -If -Then does not work with empty lookahead #48

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StartAutomating opened this issue May 15, 2021 · 0 comments
Closed

Write-RegEx -If -Then does not work with empty lookahead #48

StartAutomating opened this issue May 15, 2021 · 0 comments
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StartAutomating commented May 15, 2021 •
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Describe the bug

Write-RegEx -If -Then could be useful for creating balancing groups, if it produced valid RegEx.

To Reproduce

Write-RegEx -If Foo -Then ?!  # produces an invalid RegEx:  (?(Foo)(?:?!))

Expected behavior

(?(Foo)(?!))
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