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

/
/
gmu

Test String

Code Generator

Language

Generated Code

import Foundation // WARNING: You included a flag that Swift doesn't support: u // When this flag is set, it makes the pattern and subject strings to be treated as unicode. // Swift already treats the pattern and subject strings as unicode by default, so including this flag is redundant. let pattern = #"(?:https?:(?:\\?\/\\?\/|www\.)|www\.)[^\s<>"']*\.mp3"# let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines) let testString = #""" <div class="wp-playlist wp-audio-playlist wp-playlist-light"> <div class="wp-playlist-current-item"></div> <p> <audio controls="controls" preload="none" width=" 1118 " > </audio></p> <div class="wp-playlist-next"></div> <div class="wp-playlist-prev"> </div> <p> <noscript></p> <ol> <li> <a href='https://www.caferilik.com/wp-content/uploads/2020/11/Anne-Baba-Biz-Suçluyuz-Muhafazakar-Ailelerde-Kuşak-Çatışması-Sesli-Kitap-www.caferilik.com_.mp3'> Anne Baba Biz Suçluyuz - Muhafazakar Ailelerde Kuşak Çatışması (Sesli Kitap) www.caferilik.com< /a></li> </ol> <p> </noscript><br /> <script type="application/json" class="wp-playlist-script"> {"type":"audio","tracklist":true,"tracknumbers":true,"images":true,"artists":true, "tracks":[{"src":"https:\/\/www.caferilik.com\/wp-content\/uploads\/2020\/11\/Anne-Baba-Biz-Su\u00e7luyuz-Muhafazakar-Ailelerde-Ku\u015fak-\u00c7at\u0131\u015fmas\u0131-Sesli-Kitap-www.caferilik.com_.mp3", "type":"audio\/mpeg","title":"Anne Baba Biz Su\u00e7luyuz - Muhafazakar Ailelerde Ku\u015fak \u00c7at\u0131\u015fmas\u0131 (Sesli Kitap) www.caferilik.com","caption":"", "description":"\"Anne Baba Biz Su\u00e7luyuz - Muhafazakar Ailelerde Ku\u015fak \u00c7at\u0131\u015fmas\u0131 (Sesli Kitap) www.caferilik.com\".","meta":{"length_formatted":"2:28:02"}, "image":{"src":"https:\/\/www.caferilik.com\/wp-includes\/images\/media\/audio.png","width":48,"height":64},"thumb": {"src":"https:\/\/www.caferilik.com\/wp-includes\/images\/media\/audio.png","width":48,"height":64}}]}</script> </div> """# 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