Regular Expressions 101

Save & Share

  • Regex Version: ver. 1
  • 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

/
/
gis

Test String

Code Generator

Language

Generated Code

re = /[a-z]+([\n].*?<\/div>[\n ]+<div class="large-3 small-3 columns">[\n ]+)[a-z]+/i str = ' <div class="row"> <div class="large-3 columns displayoffer-centered"> <small>1 &#10799; <img src="/static/currency/Exalted_Orb.png" class="currencyimg"> &larr; 1500 &#10799; <img src="/static/currency/Orb_of_Alteration.png" class="currencyimg"></small> </div> <div class="large-6 columns"> <div class="displayoffer-primary displayoffer-centered"> <div class="row"> <div class="large-3 small-3 columns"> exalted </div> <div class="large-6 small-6 columns displayoffer-text"> <div class="displayoffer-left"><img src="/static/currency/Exalted_Orb.png" class="currencyimg"></div> <div class="displayoffer-right"><img src="/static/currency/Orb_of_Alteration.png" class="currencyimg"></div> <div class="displayoffer-middle">1 &lArr; 1500</div> </div> <div class="large-3 small-3 columns"> alteration </div> </div> </div> </div> <div class="large-3 columns displayoffer-centered"> <small>1 &#10799; <img src="/static/currency/Orb_of_Alteration.png" class="currencyimg"> &rarr; 0.0007 &#10799; <img src="/static/currency/Exalted_Orb.png" class="currencyimg"></small> </div> </div> <div class="row"> <div class="large-12 columns"> <div class="displayoffer-bottom">IGN: MoreSpellDamage <span class="right"><a href="#" onclick="contact_form(this); return false;">Contact seller</a></span></div> </div> </div> </div> <div class="displayoffer" data-username="joshxx" data-sellcurrency="6" data-sellvalue="1.0" data-buycurrency="7" data-buyvalue="1650.0" data-ign="joshhhz"> <div class="row"> <div class="large-3 columns displayoffer-centered"> <small>1 &#10799; <img src="/static/currency/Exalted_Orb.png" class="currencyimg"> &larr; 1650 &#10799; <img src="/static/currency/Chromatic_Orb.png" class="currencyimg"></small> </div> <div class="large-6 columns"> <div class="displayoffer-primary displayoffer-centered"> <div class="row"> <div class="large-3 small-3 columns"> exalted </div> <div class="large-6 small-6 columns displayoffer-text"> <div class="displayoffer-left"><img src="/static/currency/Exalted_Orb.png" class="currencyimg"></div> <div class="displayoffer-right"><img src="/static/currency/Chromatic_Orb.png" class="currencyimg"></div> <div class="displayoffer-middle">1 &lArr; 1650</div> </div> <div class="large-3 small-3 columns"> chrome </div> </div> </div> </div> <div class="large-3 columns displayoffer-centered"> <small>1 &#10799; <img src="/static/currency/Chromatic_Orb.png" class="currencyimg"> &rarr; 0.0006 &#10799; <img src="/static/currency/Exalted_Orb.png" class="currencyimg"></small> </div> </div> <div class="row"> <div class="large-12 columns"> <div class="displayoffer-bottom"><span class="success label">online</span> · IGN: joshhhz <span class="right"><a href="#" onclick="contact_form(this); return false;">Contact seller</a></span></div> </div> </div> </div> <div class="displayoffer" data-username="deadlylegolas" data-sellcurrency="6" data-sellvalue="1.0" data-buycurrency="7" data-buyvalue="1700.0" data-ign="LegoSaiyanGod"> <div class="row"> <div class="large-3 columns displayoffer-centered"> <small>1 &#10799; <img src="/static/currency/Exalted_Orb.png" class="currencyimg"> &larr; 1700 &#10799; <img src="/static/currency/Chromatic_Orb.png" class="currencyimg"></small> </div> <div class="large-6 columns"> <div class="displayoffer-primary displayoffer-centered"> <div class="row"> <div class="large-3 small-3 columns"> exalted </div> <div class="large-6 small-6 columns displayoffer-text"> <div class="displayoffer-left"><img src="/static/currency/Exalted_Orb.png" class="currencyimg"></div> <div class="displayoffer-right"><img src="/static/currency/Chromatic_Orb.png" class="currencyimg"></div> <div class="displayoffer-middle">1 &lArr; 1700</div> </div> <div class="large-3 small-3 columns"> chrome </div> </div> </div> </div> <div class="large-3 columns displayoffer-centered"> <small>1 &#10799; <img src="/static/currency/Chromatic_Orb.png" class="currencyimg"> &rarr; 0.0006 &#10799; <img src="/static/currency/Exalted_Orb.png" class="currencyimg"></small> </div> ' # Print the match result str.scan(re) do |match| puts match.to_s end

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 Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html