#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "background:\s*#[a-fA-F0-9]*;"
Local $sString = ".foo {" & @CRLF & _
" background:#ffffgg;" & @CRLF & _
"}" & @CRLF & _
"" & @CRLF & _
".bar {" & @CRLF & _
" background: #BADA55;" & @CRLF & _
"}" & @CRLF & _
"" & @CRLF & _
".baz {" & @CRLF & _
" background: #fff;" & @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