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 Foundation let pattern = #"(?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)"# let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines) let testString = #""" ==========AUTOMOD INSTRUCTIONS=========== The above regex is used to mute users. 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) 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) gg/(nudeteen|leaks4you|xxxhots|pent|sexshare|tiktokteens|ofporn|teenscp|xxxvids|wifey|nudeporn|teengirl|cpteens|sexyhot|sexyteen) gg/(Vm2RwraURb|WS6k2Yxe|kwJk8Ntz|faqADJpbkR|MscE4Gp2|HcqGy9c7yE|KKmUfYU92x|rryS5NyRhq|7DRYnTwFCS|G56FvssV) (?i)\[steamcommunity\.com\/gift\/\d+\]\(<?https:\/\/.+>?\) ==========ACTUAL TEST STRINGS=========== Hot Teen & Nsfw Leaks :underage: :peach: https://discord.gg/7DRYnTwFCS @everyone Onlyfans leaks + Teen content here 🍑 🍒 @everyone Free Onlyfans and Leaks here: discord.gg/dcleaks https://discord.gg/MscE4Gp2 FREE NSFW + 40€ GIVEAWAY + Leaks + PORN 🔞 Free 18+ Content + Free Teen Leaks @here @everyone: https://discord.gg/leeknudeteen Best server for leek nude +18 Free 18+ Content: :peach: @here @everyone 🔞 content Teen Content & OnlyFans Leaks 🍑🔞 Onlyfans leaks + Teen content here :heart: : https://discord.gg/sexshare @everyone BEST OnlyFans LEAKS & Teen Content 🍑 🔞 Onlyfans leaks + Teen content here :heart: : https://discord.gg/teenscp @everyone """# let stringRange = NSRange(location: 0, length: testString.utf16.count) let matches = regex.matches(in: testString, range: stringRange) var result: [[String]] = [] for match in matches { var groups: [String] = [] for rangeIndex in 1 ..< match.numberOfRanges { let nsRange = match.range(at: rangeIndex) guard !NSEqualRanges(nsRange, NSMakeRange(NSNotFound, 0)) else { continue } let string = (testString as NSString).substring(with: nsRange) groups.append(string) } if !groups.isEmpty { result.append(groups) } } print(result)

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 Swift 5.2, please visit: https://developer.apple.com/documentation/foundation/nsregularexpression