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

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "(?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)?"; final String string = "$350.00\n" + "$450.00 pw\n" + "$320 - fully furnished pw\n" + "$325 per week\n" + "$495pw - Views! White goods!\n" + "$460p/w + gst and outgoings\n" + "$300 wdk\n" + "$390pw / $1695pcm\n" + "$180 pw / $782 pm\n" + "$375 Per Week/Fully Furnished\n" + "$350 pw + GST & Outgoings\n" + "APPLY NOW - From $270 per week\n" + "$185 per night\n" + "$400pw incl. power\n" + "$500 weekly\n" + "$600 per week pw\n" + "$850 per week (Fully furnished)\n" + "FROM $400PW, FURNITURE AND BILLS INCLUDED\n" + "THE DEAL- $780 PER WEEK\n" + "THE DEAL: $1,400 PER WEEK\n" + "$750/W Unfurnished\n" + "$320 - fully furnished pw\n" + "$330 PER WEEK | $1,430 P.C.M\n" + "Enquire Now: $690 per week\n" + "$460 per week / $1999 per month\n" + "$490 per week/Under Application approved\n" + "$1550pw - Location! Rare gem!\n" + "295 per week\n" + "unit 2 - $780pw unit 3 - $760pw\n" + "$2500 pw high, $1600pw low,$380 pn\n" + "from $786 - $1572 per week\n" + "$590 to $639\n" + "$280 - $290 pw"; final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE | Pattern.CASE_INSENSITIVE); final Matcher matcher = pattern.matcher(string); while (matcher.find()) { System.out.println("Full match: " + matcher.group(0)); for (int i = 1; i <= matcher.groupCount(); i++) { System.out.println("Group " + i + ": " + matcher.group(i)); } } } }

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 Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html