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
Processing...

Test String

Code Generator

Language

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"^(?:[[:^print:][:cntrl:]\s]|GIF89.{0,20})*<\?(?:php)?\s*\$yourmail\s*=.{0,40}?put your e-mail here.{0,190}?scam[\s\w]+by\s*walid\s*nabil.{0,70}?facebook\.com\/oreo0o.{0,50}?walid_nabil(?:[^>]+>\s*)?$"; string input = @"<?php $yourmail = 'Tuto42@yahoo.com'; // PUT YOUR E-MAIL HERE //To Open This Page : domain.com/?wal=mart /* $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $ $ THIS SCAM WAS CREATED BY Walid Nabil (OREOO) $ $ FB:https://www.facebook.com/OReo0o $ $ ICQ:https://icq.im/Walid_Nabil $ $ 2020 $ $ $ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ .----------------. .----------------. .----------------. .----------------. .----------------. .----------------. | .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. | | | ____ | || | _______ | || | _________ | || | ____ | || | ____ | || | ____ | | | | .' `. | || | |_ __ \ | || | |_ ___ | | || | .' `. | || | .' `. | || | .' `. | | | | / .--. \ | || | | |__) | | || | | |_ \_| | || | / .--. \ | || | / .--. \ | || | / .--. \ | | | | | | | | | || | | __ / | || | | _| _ | || | | | | | | || | | | | | | || | | | | | | | | | \ `--' / | || | _| | \ \_ | || | _| |___/ | | || | \ `--' / | || | \ `--' / | || | \ `--' / | | | | `.____.' | || | |____| |___| | || | |_________| | || | `.____.' | || | `.____.' | || | `.____.' | | | | | || | | || | | || | | || | | || | | | | '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' | '----------------' '----------------' '----------------' '----------------' '----------------' '----------------' */ ?> "; RegexOptions options = RegexOptions.IgnoreCase | RegexOptions.Singleline; foreach (Match m in Regex.Matches(input, pattern, options)) { Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index); } } }

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 C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx