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
No Match

/
/
img

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 = "^(\\[(?P<release_group>.+?)\\][ ._-]*)?((\\[|\\().+?(\\]|\\))[ ._-]*)?(?P<series_name>.+?)[ ._-]+((épisode|episode|part)[ ._-]*)?((E)?(?P<ep_ab_num>\\d{1,3}))[\\(\\)\\[\\] ._-]+((and.Part.|E)?(?P<extra_ab_ep_num>\\d{1,3})[\\(\\)\\[\\] ._-]+)?(VOSTFR[\\(\\)\\[\\] ._-]*)?((par[ ._-]+Fansub-Resistance)[\\(\\)\\[\\] ._-]*)?(((v|V)([0-9]))[\\(\\)\\[\\] ._-]*)?(((8|10)(Bits|Bit))[\\(\\)\\[\\] ._-]*)?((?P<extra_info>((((FHD|HD|SD)[ ._-])?(\\d{3,4}[xip*]+\\d{0,4}))|(.*)))[\\(\\)\\[\\] ._-]*)?(VOSTFR[\\(\\)\\[\\] ._-]*)?((FHD|HD|SD)[\\(\\)\\[\\] ._-]*)?(((8|10)(Bits|Bit))[\\(\\)\\[\\] ._-]*)?(((v|V)(?P<version>[0-9]))[\\(\\)\\[\\] ._-]*)?((?P<crc>\\w{8})[\\(\\)\\[\\] ._-]*)?.*"; final String string = "[Release-Group]_Series_Name_E100-E101_[VOSTFR]_[720p]_[HD]_[8bits]_[V3]_[13245678].mp4\n" + "[Kaerizaki-Fansub]_One_Piece_727_[VOSTFR][HD_1280x720][V2]_[1921E00C].mp4\n" + "[Titania-Fansub]_Fairy_Tail_269-280_[VOSTFR]_[720p]_[1921E00C].mp4\n" + "[ISLAND]One_Piece_726_[VOSTFR]_[V1]_[8bit]_[720p]_[2F7B3FA2].mp4\n" + "Naruto Shippuden 445 VOSTFR par Fansub-Resistance (1280*720) - version MQ\n" + "Dragon Ball Super 015 VOSTFR par Fansub-Resistance (1280x720) - HQ version\n" + "[Mystic.Z-Team].Dragon.Ball.Super.-.épisode.36.VOSTFR.720p\n" + "[Z-Team][DBSuper.pw] Dragon Ball Super - E028 (VOSTFR)(720p AAC)(MP4)\n" + "[SnF] Shokugeki no Souma - 24 VOSTFR [720p][41761760].mkv\n" + "[Y-F] Ao no Kanata no Four Rhythm - 03 Vostfr HD 8bits\n" + "Detective Conan 804 vostfr HD\n" + "Active Raid 04 vostfr [1080p]\n" + "Sekko Boys 04 vostfr [720p]\n" + "Show.Name.E23.Source.Quality.Etc-Group\n" + "Show Name - Episode 01 - Ep Name\n" + "Show.Name.Part.3.Source.Quality.Etc-Group\n" + "Show.Name.Part.1.and.Part.2.Blah-Group\n" + "Deconstructed.E07.1080i.HDTV.DD5.1.MPEG2-TrollHD\n" + "Show.Name.E23.WEB-DL\n" + "Show.Name.E23-24.WEB-DL"; final Pattern pattern = Pattern.compile(regex, Pattern.CASE_INSENSITIVE | Pattern.MULTILINE); 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