#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)^(?:https?:\/\/)(?:w{3}\.)?.*?([^.\r\n\/]+\.)([^.\r\n\/]+\.[^.\r\n\/]{2,6}(?:\.[^.\r\n\/]{2,6})?).*$"
Local $sString = "http://www.answers.com/article/1194427/8-habits-of-extraordinarily-likeable-people" & @CRLF & _
"http://www.apple.com" & @CRLF & _
"https://www.cnn.com.au" & @CRLF & _
"http://www.downloads.news.com.au" & @CRLF & _
"https://ftp.android.co.nz" & @CRLF & _
"http://global.news.ca" & @CRLF & _
"https://www.apple.com/" & @CRLF & _
"https://ftp.android.co.nz/" & @CRLF & _
"http://global.news.ca/" & @CRLF & _
"https://www.apple.com/" & @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