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]
  • Character class intersection
    [\w&&[^\d]]
  • 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

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "(https?:)?\\/\\/(www\\.)?((zi\\.mu)|(zi\\.ma)|(yhoo\\.it)|(yfrog\\.com)|(yep\\.it)|(y\\.ahoo\\.it)|(xurl\\.es)|(xrl\\.us)|(xrl\\.in)|(wp\\.me)|(url\\.ie)|(url\\.co\\.uk)|(url\\.az)|(ur1\\.ca)|(u\\.nu)|(twurl\\.nl)|(twurl\\.cc)|(tr\\.im)|(to\\.ly)|(tnij\\.org)|(tinyurl\\.com)|(tinylink\\.in)|(tiny\\.pl)|(tiny\\.ly)|(tiny\\.cc)|(tcrn\\.ch)|(ta\\.gd)|(t\\.co)|(t\\.cn)|(su\\.pr)|(sp2\\.ro)|(snurl\\.com)|(snipurl\\.com)|(snipr\\.com)|(shrt\\.st)|(shorturl\\.com)|(short\\.ie)|(shorl\\.com)|(shar\\.es)|(sameurl\\.com)|(safe\\.mn)|(post\\.ly)|(ping\\.fm)|(ow\\.ly)|(om\\.ly)|(nyti\\.ms)|(nsfw\\.in)|(moby\\.to)|(migre\\.me)|(lnkd\\.in)|(linkbun\\.ch)|(linkbee\\.com)|(liip\\.to)|(krunchd\\.com)|(korta\\.nu)|(j\\.mp)|(is\\.gd)|(hurl\\.me)|(huff\\.to)|(goo\\.gl)|(fwd4\\.me)|(fff\\.to)|(ff\\.im)|(fb\\.me)|(fav\\.me)|(eepurl\\.com)|(doiop\\.com)|(dlvr\\.it)|(disq\\.us)|(digg\\.com)|(digbig\\.com)|(decenturl\\.com)|(cutt\\.us)|(cot\\.ag)|(cli\\.gs)|(clck\\.ru)|(cl\\.ly)|(chilp\\.it)|(budurl\\.com)|(bit\\.ly)|(binged\\.it)|(bacn\\.me)|(arst\\.ch)|(alturl\\.com)|(afx\\.cc)|(adjix\\.com)|(adf\\.ly)|(4sq\\.com)|(3\\.ly)|(0rz\\.tw)|(we\\.tl)|(ouo\\.io)|(bfy\\.tw)|(bit\\.do))\\/[a-z0-9]+ "; final String string = "https://zi.mu/dfd"; final Pattern pattern = Pattern.compile(regex); final Matcher matcher = pattern.matcher(string); if (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