#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?xms)(?&valid_text)(?(DEFINE)" & @CRLF & _
" (?<valid_text>" & @CRLF & _
" \A\s*(?&version)\s*" & @CRLF & _
" (?: (?&element) \s* )+" & @CRLF & _
" \s*\Z" & @CRLF & _
" )" & @CRLF & _
" (?<version>" & @CRLF & _
" version\(.+?\);" & @CRLF & _
" )" & @CRLF & _
" (?<element>" & @CRLF & _
" element\s*" & @CRLF & _
" (?&element_body);" & @CRLF & _
" )" & @CRLF & _
" (?<element_body>" & @CRLF & _
" \( (?: [^()]++ | (?&element_body) )* \)" & @CRLF & _
" )" & @CRLF & _
")"
Local $sString = "version();" & @CRLF & _
"" & @CRLF & _
"element" & @CRLF & _
"(" & @CRLF & _
");" & @CRLF & _
"" & @CRLF & _
"garbage <--- THIS SHOULD NOT MATCH!" & @CRLF & _
"" & @CRLF & _
"element" & @CRLF & _
"(" & @CRLF & _
");" & @CRLF & _
"" & @CRLF & _
"element" & @CRLF & _
"(" & @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