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

/
/

Test String

Code Generator

Generated Code

#include <StringConstants.au3> ; to declare the Constants of StringRegExp #include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate Local $sRegex = "\/\*(.+?)\*\/" Local $sString = "using System.Collections;" & @CRLF & _ "using System.Collections.Generic;" & @CRLF & _ "using UnityEngine;" & @CRLF & _ "using UnityEngine.UI;" & @CRLF & _ "using TMPro;" & @CRLF & _ "using System.Text.RegularExpressions;" & @CRLF & _ "using System;" & @CRLF & _ "" & @CRLF & _ "public interface IThemeable" & @CRLF & _ "{" & @CRLF & _ "" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ "public class TestScript : MonoBehaviour" & @CRLF & _ "{" & @CRLF & _ " #region Studio Style" & @CRLF & _ " class Program : IThemeable" & @CRLF & _ " {" & @CRLF & _ " static int _I = 1;" & @CRLF & _ "" & @CRLF & _ " delegate void DoSomething();" & @CRLF & _ " static DoSomething DelegateMethod = delegate { };" & @CRLF & _ "" & @CRLF & _ " /* This" & @CRLF & _ " is a multi line" & @CRLF & _ " quote" & @CRLF & _ " */" & @CRLF & _ "" & @CRLF & _ " /*single line quote*/" & @CRLF & _ "" & @CRLF & _ " /* single line quote */" & @CRLF & _ "" & @CRLF & _ " /// <summary>" & @CRLF & _ " /// The quick brown fox jumps over the lazy dog" & @CRLF & _ " /// THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG" & @CRLF & _ " /// </summary>" & @CRLF & _ " static void Main(string[] args)" & @CRLF & _ " {" & @CRLF & _ " string normalStr = "The time now is approximately " + DateTime.Now;" & @CRLF & _ " Uri Illegal1Uri = new Uri("http://packmyboxwith/jugs.html?q=five-dozen&t=liquor");" & @CRLF & _ " Regex OperatorRegex = new Regex(@"\S#$", RegexOptions.IgnorePatternWhitespace);" & @CRLF & _ "" & @CRLF & _ " for (int O = 0; O < 123456789; O++)" & @CRLF & _ " {" & @CRLF & _ " _I += (O % 3) * ((O / 1) ^ 2) - 5;" & @CRLF & _ " if (!OperatorRegex.IsMatch(Illegal1Uri.ToString()))" & @CRLF & _ " {" & @CRLF & _ " // no idea what this does!?" & @CRLF & _ " Console.WriteLine(Illegal1Uri + normalStr);" & @CRLF & _ "" & @CRLF & _ " }" & @CRLF & _ " }" & @CRLF & _ " Program.DelegateMethod();" & @CRLF & _ " }" & @CRLF & _ " static int Sum(int a, int b)" & @CRLF & _ " {" & @CRLF & _ " return a + b;" & @CRLF & _ " }" & @CRLF & _ " }" & @CRLF & _ " #endregion" & @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