#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?mx)(?P<host>[\d.]+)[-\s]+" & @CRLF & _
"(?P<user_name>\w+)\s+" & @CRLF & _
"\[(?P<time>[^][]+)\]\s+" & @CRLF & _
""(?P<request>[^"]+)""
Local $sString = "30.95.91.251 - larson8319 [21/Jun/2019:16:02:02 -0700] "PUT /one-to-one/whiteboard HTTP/1.0" 401 7270" & @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