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

/
/
gm

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 = "(?i)\\d\\d\\+ boys only|wow only \\d\\d\\+|only \\d\\d\\+ (?:boys|allowed)|\\d\\d\\+ only boys|boys only \\d\\d\\+|(?:Onlyfans|teen|NSFW|nude).* l[3e][4a]ks*?|(?:underage|T[3e]{2}n|🔞|18\\+) (?:nudes|content ?(?:discord|l[3e][4a]ks*?|here)*?|p[0o]*?rn|pr[0o]*?n)|l[3e]{2}[4a\\*]*?k (?:Onlyfans|teen|NSFW|nude)"; final String string = "==========AUTOMOD INSTRUCTIONS===========\n" + "The above regex is used to mute users. \n\n" + "The following regex is used to ban users (each newline is a different \"mesage matches regex\" trigger on a single rule (because of character limits) \n\n" + "gg/(sextiktok|freecheats|goldtiktok|tiktoksex|eegirls|esexx|desexys|kissmee|bellanudes|essex|trashnudes|tiktok18|freetiktok|bestnudes|esexhentai|tiktokhomes|welcomensfw|dcleaks|onlynudes|websluts|fullnudes|leeknudeteen|xxnude|tiktoksnfw|xxxpussy)\n\n" + "gg/(nudeteen|leaks4you|xxxhots|pent|sexshare|tiktokteens|ofporn|teenscp|xxxvids|wifey|nudeporn|teengirl|cpteens|sexyhot|sexyteen)\n\n" + "gg/(Vm2RwraURb|WS6k2Yxe|kwJk8Ntz|faqADJpbkR|MscE4Gp2|HcqGy9c7yE|KKmUfYU92x|rryS5NyRhq|7DRYnTwFCS|G56FvssV)\n\n" + "(?i)\\[steamcommunity\\.com\\/gift\\/\\d+\\]\\(<?https:\\/\\/.+>?\\)\n\n" + "==========ACTUAL TEST STRINGS===========\n" + "Hot Teen & Nsfw Leaks :underage: :peach: https://discord.gg/7DRYnTwFCS @everyone\n\n" + "Onlyfans leaks + Teen content here 🍑 🍒\n\n" + "@everyone Free Onlyfans and Leaks here: discord.gg/dcleaks\n" + "https://discord.gg/MscE4Gp2 FREE NSFW + 40€ GIVEAWAY + Leaks + PORN\n\n" + "🔞 Free 18+ Content + Free Teen Leaks @here @everyone:\n" + "https://discord.gg/leeknudeteen Best server for leek nude +18\n\n" + "Free 18+ Content: :peach: @here @everyone\n\n" + "🔞 content\n\n" + "Teen Content & OnlyFans Leaks 🍑🔞\n\n" + "Onlyfans leaks + Teen content here :heart: : https://discord.gg/sexshare @everyone \n\n" + "BEST OnlyFans LEAKS & Teen Content 🍑 🔞\n\n" + "Onlyfans leaks + Teen content here :heart: : https://discord.gg/teenscp @everyone\n"; final Pattern pattern = Pattern.compile(regex, 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