Regular Expressions 101

Save & Manage Regex

  • Current Version: 1
  • Save & Share
  • Community Library

Flavor

  • PCRE2 (PHP)
  • ECMAScript (JavaScript)
  • Python
  • Golang
  • Java
  • .NET 7.0 (C#)
  • Rust
  • PCRE (Legacy)
  • Regex Flavor Guide

Function

  • Match
  • Substitution
  • List
  • Unit Tests
Sponsors
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

re = /(?i)(\d+[.,]?\d+)\s*(?:-.*\bfurnished\s*)?(p\/?w|wdk|per week|weekly|\/w|p\\.?c\\.?m|mth|pm|per month|per night|pn|p.a)?/mi str = '$350.00 $450.00 pw $320 - fully furnished pw $325 per week $495pw - Views! White goods! $460p/w + gst and outgoings $300 wdk $390pw / $1695pcm $180 pw / $782 pm $375 Per Week/Fully Furnished $350 pw + GST & Outgoings APPLY NOW - From $270 per week $185 per night $400pw incl. power $500 weekly $600 per week pw $850 per week (Fully furnished) FROM $400PW, FURNITURE AND BILLS INCLUDED THE DEAL- $780 PER WEEK THE DEAL: $1,400 PER WEEK $750/W Unfurnished $320 - fully furnished pw $330 PER WEEK | $1,430 P.C.M Enquire Now: $690 per week $460 per week / $1999 per month $490 per week/Under Application approved $1550pw - Location! Rare gem! 295 per week unit 2 - $780pw unit 3 - $760pw $2500 pw high, $1600pw low,$380 pn from $786 - $1572 per week $590 to $639 $280 - $290 pw' # 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