Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression

/
/
gm

Test String

Substitution

Processing...

Code Generator

Generated Code

#include <MsgBoxConstants.au3> ; to declare the Constants of MsgBox Local $sRegex = "(?m)^([^\x00-\x20\x22\x28\x29\x2c\x2e\x3a-\x3c\x3e\x40\x5b-\x5d\x7f-\xff]+|\x22([^\x0d\x22\x5c\x80-\xff]|\x5c[\x00-\x7f])*\x22)(\x2e([^\x00-\x20\x22\x28\x29\x2c\x2e\x3a-\x3c\x3e\x40\x5b-\x5d\x7f-\xff]+|\x22([^\x0d\x22\x5c\x80-\xff]|\x5c[\x00-\x7f])*\x22))*\x40([^\x00-\x20\x22\x28\x29\x2c\x2e\x3a-\x3c\x3e\x40\x5b-\x5d\x7f-\xff]+|\x5b([^\x0d\x5b-\x5d\x80-\xff]|\x5c[\x00-\x7f])*\x5d)(\x2e([^\x00-\x20\x22\x28\x29\x2c\x2e\x3a-\x3c\x3e\x40\x5b-\x5d\x7f-\xff]+|\x5b([^\x0d\x5b-\x5d\x80-\xff]|\x5c[\x00-\x7f])*\x5d))*$" Local $sString = "criscrisaaaa@gmail.com.es" & @CRLF & _ "mminighin@alpenite.com" & @CRLF & _ "!mminighin@alpenite.com" & @CRLF & _ "#mminighin@alpenite.com" & @CRLF & _ "$mminighin@alpenite.com" & @CRLF & _ "%mminighin@alpenite.com" & @CRLF & _ "&mminighin@alpenite.com" & @CRLF & _ "'mminighin@alpenite.com" & @CRLF & _ "*mminighin@alpenite.com" & @CRLF & _ "+mminighin@alpenite.com" & @CRLF & _ "-mminighin@alpenite.com" & @CRLF & _ "/mminighin@alpenite.com" & @CRLF & _ "=mminighin@alpenite.com" & @CRLF & _ "?mminighin@alpenite.com" & @CRLF & _ "^mminighin@alpenite.com" & @CRLF & _ "_mminighin@alpenite.com" & @CRLF & _ "`mminighin@alpenite.com" & @CRLF & _ "{mminighin@alpenite.com" & @CRLF & _ "|mminighin@alpenite.com" & @CRLF & _ "}mminighin@alpenite.com" & @CRLF & _ "~mminighin@alpenite.com" & @CRLF & _ "0mminighin@alpenite.com" & @CRLF & _ "1mminighin@alpenite.com" & @CRLF & _ "2mminighin@alpenite.com" & @CRLF & _ "3mminighin@alpenite.com" & @CRLF & _ "4mminighin@alpenite.com" & @CRLF & _ "5mminighin@alpenite.com" & @CRLF & _ "6mminighin@alpenite.com" & @CRLF & _ "7mminighin@alpenite.com" & @CRLF & _ "8mminighin@alpenite.com" & @CRLF & _ "9mminighin@alpenite.com" & @CRLF & _ "10mminighin@alpenite.com" & @CRLF & _ "prettyandsimple@example.com" & @CRLF & _ "very.common@example.com" & @CRLF & _ "disposable.style.email.with+symbol@example.com" & @CRLF & _ "other.email-with-dash@example.com" & @CRLF & _ "fully-qualified-domain@example.com" & @CRLF & _ "user.name+tag+sorting@example.com" & @CRLF & _ "x@example.com" & @CRLF & _ ""very.(),:;<>[]\".VERY.\"very@\\ \"very\".unusual"@strange.example.com" & @CRLF & _ "example-indeed@strange-example.com" & @CRLF & _ "admin@mailserver1" & @CRLF & _ "#!$%&'*+-/=?^_`{}|~@example.org" & @CRLF & _ ""()<>[]:,;@\\\"!#$%&'-/=?^_`{}| ~.a"@example.org" & @CRLF & _ "example@s.solutions" & @CRLF & _ "user@localserver" & @CRLF & _ "user@[2001:DB8::1]" & @CRLF & _ ".user@[2001:DB8::1]" Local $sSubst = "" Local $sResult = StringRegExpReplace($sString, $sRegex, $sSubst) MsgBox($MB_SYSTEMMODAL, "Result", $sResult)

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