#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)\s*(byte|short|int|long|float|double|char|boolean|[A-Z][a-zA-z]+)\s*(\[\])*\s+([\w]+)\s*((,\s*[\w]+)*)\s*;"
Local $sString = "" & @CRLF & _
"int a, ss, f ;" & @CRLF & _
"char g;" & @CRLF & _
"byte f_123 ; double pi;" & @CRLF & _
"String string;" & @CRLF & _
"" & @CRLF & _
"Object[] array1;" & @CRLF & _
"int [] array2, array3;"
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