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 = "title=\".*(title=\"(.*.)\">)"; final String string = "<div id=\"video_6003150\" class=\"thumb-block\"><div class=\"thumb-inside\"><div class=\"thumb\"><a href=\"/video6003150/pure_mature_janet_mason\"><img src=\"https://cdn77-pic.xvideos-cdn.com/videos/thumbs169l/03/4b/22/034b224b0f77b7260aa8d6c44b49cb69/034b224b0f77b7260aa8d6c44b49cb69.5.jpg\" data-idcdn=\"10\" data-videoid=\"6003150\" id=\"pic_6003150\"><div class=\"videopv\" style=\"display: none;\"><a href=\"https://www.xvideos.com/video6003150/pure_mature_janet_mason\"></a><div class=\"progress\" style=\"display: none;\"><div class=\"bar\" style=\"width: 100%;\"></div></div></div></a></div><button class=\"watch-later init-ok\" title=\"Ver después\"><span class=\"icon-f icf-clock\"></span></button><a class=\"icon-f icf-check-circle icf-white-fill prof-verified-tick\" title=\"Modelo verificada\" href=\"/verified/videos\"></a></div><div class=\"thumb-under\"><p><a href=\"/video6003150/pure_mature_janet_mason\" title=\"Pure Mature Janet Mason\">Pure Mature Janet Mason</a></p><p class=\"metadata\"><span class=\"bg\"><span class=\"duration\">7 min</span><a href=\"/channels/puremature\"><span class=\"name\">Pure Mature</span></a><span><span class=\"sprfluous\"> - </span> 9,7M <span class=\"sprfluous\">Vistas</span></span><span class=\"sprfluous\"> - </span></span></p></div></div>"; final Pattern pattern = Pattern.compile(regex); 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