#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "!(?!(.|\n|\r)*FastEthernet\d\d?\/\d\d?\.\d{1,3})"
Local $sString = "interface FastEthernet0/0" & @CRLF & _
"shutdown" & @CRLF & _
"!" & @CRLF & _
"interface FastEthernet0/0.100" & @CRLF & _
"ip address 192.168.1.100" & @CRLF & _
"!" & @CRLF & _
"interface FastEthernet0/1" & @CRLF & _
"shutdown" & @CRLF & _
"!"
Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYFULLMATCH)
; Present the entire match result
_ArrayDisplay($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