Regular Expressions 101

Save & Share

  • Regex Version: ver. 306
  • Update Regex
    ctrl+⇧+s
  • Save new Regex
    ctrl+s
  • Add to Community Library

Flavor

  • PCRE2 (PHP >=7.3)
  • PCRE (PHP <7.3)
  • ECMAScript (JavaScript)
  • Python
  • Golang
  • Java 8
  • .NET 7.0 (C#)
  • Rust
  • Regex Flavor Guide

Function

  • Match
  • Substitution
  • List
  • Unit Tests

Tools

Sponsors
There are currently no sponsors. Become a sponsor today!
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
No Match

/
/
g

Test String

Code Generator

Generated Code

$re = '/([„]([^„]+)[“]|[“]([^“]+)[”]|["]([^"]+)["])/'; $str = 'Then he spoke! Finally! Reached out his hands. He wanted… the dead baby rabbit? That was what this was all about? Aiden just wanted the little thing in his hands? "Well, just ask, right?" Grayson tried a smile and laid the small, dead and very bloody body into his brother’s hands. "Don’ you worry. Just ask. You can have it." Aiden could get everything Grayson had, there was never a doubt. He even would have given him any ice cream or sweet he ever wanted. Because it was Aiden. "Is everythin\' okay now?" Was Aiden happy now? Well…. as happy as Aiden could get. He didn’t look like it. But he never looked happy, anyway. Then he spoke! Finally! Reached out his hands. He wanted… the dead baby rabbit? That was what this was all about? Aiden just wanted the little thing in his hands? „Well, just ask, right?“ Grayson tried a smile and laid the small, dead and very bloody body into his brother’s hands. „Don’ you worry. Just ask. You can have it.“ Aiden could get everything Grayson had, there was never a doubt. He even would have given him any ice cream or sweet he ever wanted. Because it was Aiden. „Is everythin’ okay now?“ Was Aiden happy now? Well…. as happy as Aiden could get. He didn’t look like it. But he never looked happy, anyway. Then he spoke! Finally! Reached out his hands. He wanted… the dead baby rabbit? That was what this was all about? Aiden just wanted the little thing in his hands? “Well, just ask, right?” Grayson tried a smile and laid the small, dead and very bloody body into his brother’s hands. “Don’ you worry. Just ask. You can have it.” Aiden could get everything Grayson had, there was never a doubt. He even would have given him any ice cream or sweet he ever wanted. Because it was Aiden. “Is everythin’ okay now?” Was Aiden happy now? Well…. as happy as Aiden could get. He didn’t look like it. But he never looked happy, anyway. '; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); // Print the entire match result var_dump($matches);

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 PHP, please visit: http://php.net/manual/en/ref.pcre.php