#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)(?=(?:^(?:\+?1\s*(?:[.-]\s*)?)?(?!(?:(?:.*\(.*)|(?:.*\).*)))(?:[2-9]1[02-9]|[2-9][02-8]1|[2-9][02-8][02-9]))|(?:.*\((?:[2-9]1[02-9]|[2-9][02-8]1|[2-9][02-8][02-9])\).*))(?:\+?1\s*(?:[.-]\s*)?)?(?:\(?([2-9]1[02-9]|[2-9][02-8]1|[2-9][02-8][02-9])\)?)\s*(?:[.-]\s*)?([2-9]1[02-9]|[2-9][02-9]1|[2-9][02-9]{2})\s*(?:[.-]\s*)?([0-9]{4})(?:\s*(?:#|x\.?|ext\.?|extension)\s*(\d{1,15}))?$"
Local $sString = "// valid" & @CRLF & _
"(555)555-5555" & @CRLF & _
"1 (555) 555-5555" & @CRLF & _
"1 (555)-555-5555" & @CRLF & _
"555-555-5555" & @CRLF & _
"+1-555-532-3455" & @CRLF & _
"1-555-532-3455" & @CRLF & _
"1-555-532-3455 ext 4" & @CRLF & _
"1 (555) 555-5555 extension 123456789123456" & @CRLF & _
"" & @CRLF & _
"// invalid" & @CRLF & _
"555-5555" & @CRLF & _
"1234567890" & @CRLF & _
"555--555-5555" & @CRLF & _
"555-555--5555" & @CRLF & _
"1234567" & @CRLF & _
"((555))555-5555" & @CRLF & _
"invalidphone" & @CRLF & _
"+91 (123) 456-7890" & @CRLF & _
"123.456.7890" & @CRLF & _
"1 (555) 555-5555 extension 0123456789012345"
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