#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)^\s*!\s+\[(?:remote )?rejected].+\((?:non-fast-forward|fetch first|cannot lock ref.*)\)\s*$"
Local $sString = " ! [rejected] krancour/foo -> krancour/foo (non-fast-forward)" & @CRLF & _
" ! [rejected] main -> main (fetch first)" & @CRLF & _
" ! [remote rejected] HEAD -> experiment (cannot lock ref 'refs/heads/experiment': is at 7dc98ee9c0b75be429e300bb59b3cf6d091ca9ed but expected 1bdf96c8c868981a0e24c43c98aef09a8970a1b8)" & @CRLF & _
" ! [rejected] HEAD -> experiment (fetch first)" & @CRLF & _
""
Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYGLOBALFULLMATCH)
Local $aFullArray[0]
For $i = 0 To UBound($aArray) -1
_ArrayConcatenate($aFullArray, $aArray[$i])
Next
$aArray = $aFullArray
; Present the entire match result
_ArrayDisplay($aArray, "Result")
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for AutoIt, please visit: https://www.autoitscript.com/autoit3/docs/functions/StringRegExp.htm