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

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|m|api)\\.)?(soundcloud\\.com|snd\\.sc)\\/+([a-zA-Z0-9\\-\\.]+\\/*[a-zA-Z0-9\\-\\.]*\\/*[a-zA-Z0-9\\-\\.]*)"; final String string = "https://soundcloud.com/deejay-la-x\n" + "https://soundcloud.com/deejay-la-x/my-christmas-mix-with-tarmac\n" + "sdasdddd\n" + "https://soundcloud.com/golden-rose-428706194/drip-vol2\n" + "https://soundcloud.com/karyomusic/karyo-my-neck-lick-it?utm_source=clipboard&utm_medium=text&utm_campaign=social_sharing\n" + "https://soundcloud.com/rnjonesnc/sets/30-flights-of-elevation\n" + "https://on.soundcloud.com/5dTNx\n" + "<iframe width=\"100%\" height=\"300\" scrolling=\"no\" frameborder=\"no\" allow=\"autoplay\" src=\"https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/923619058&color=%23ff5500&auto_play=false&hide_related=false&show_comments=true&show_user=true&show_reposts=false&show_teaser=true&visual=true\"></iframe><div style=\"font-size: 10px; color: #cccccc;line-break: anywhere;word-break: normal;overflow: hidden;white-space: nowrap;text-overflow: ellipsis; font-family: Interstate,Lucida Grande,Lucida Sans Unicode,Lucida Sans,Garuda,Verdana,Tahoma,sans-serif;font-weight: 100;\"><a href=\"https://soundcloud.com/kaytranada\" title=\"&quot;KKAAYYTTRRAA&quot;\" target=\"_blank\" style=\"color: #cccccc; text-decoration: none;\">&quot;KKAAYYTTRRAA&quot;</a> ยท <a href=\"https://soundcloud.com/kaytranada/love-is-stronger-than-pride-kaytra-edit\" title=\"LOVE IS STRONGER THAN PRIDE (KAYTRA EDIT)\" target=\"_blank\" style=\"color: #cccccc; text-decoration: none;\">LOVE IS STRONGER THAN PRIDE (KAYTRA EDIT)</a></div>\n\n\n\n\n"; 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