#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?mx)^(?:\s*[A-Za-z_][A-Za-z0-9]*\s*(?:=\s*(?:[A-Za-z0-9]+(?:[+\/*-][A-Za-z0-9]+)?|"[^"]*"|'[^']*'))?\s*,)*" & @CRLF & _
" \s*[A-Za-z_][A-Za-z0-9]*\s*(?:=\s*(?:[A-Za-z0-9]+(?:[+\/*-][A-Za-z0-9]+)?|"[^"]*"|'[^']*'))?\s*;"
Local $sString = "a;" & @CRLF & _
"a, _b2;" & @CRLF & _
"a, _b2=0;" & @CRLF & _
"a=1, _b2=0;" & @CRLF & _
"a=1+1, _b2=a+1, c, d=555, e;" & @CRLF & _
"a12 = ,b2, c3 , d4;" & @CRLF & _
"a= , b2 = 1;"
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