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

/
/
g

Test String

Code Generator

Language

Generated Code

import Foundation let pattern = #"(?<=(ch-name">)|(?<=ch-time">)|(?<=ch-type">)|(?<=ch-text">))[\s\S]*?(?=<\/)"# let regex = try! NSRegularExpression(pattern: pattern) let testString = #""" <ul id="channelList"> <li class="odd"> <span class="ch-type">Canlı</span><!-- 1--> <span class="ch-time">06:30</span><!-- 2--> <div class="ch-desc"> <span class="ch-name">NBA TV</span><!-- 3--> <span class="ch-text">Sacramento Kings - N.Orleans Pelicans (Basketbol)</span><!-- 4--> </div> </li> <li class="even"> <span class="ch-type">Canlı</span> <span class="ch-time">07:45</span> <div class="ch-desc"> <span class="ch-name">TRT Spor</span> <span class="ch-text">İlk Baskı (Futbol)</span> </div> </li> <li class="odd"> <span class="ch-type">Canlı</span> <span class="ch-time">11:00</span> <div class="ch-desc"> <span class="ch-name">TRT Spor</span> <span class="ch-text">Spor Manşet (Futbol)</span> </div> </li> <li class="even"> <span class="ch-type">Canlı</span> <span class="ch-time">11:05</span> <div class="ch-desc"> <span class="ch-name">NTV Spor</span> <span class="ch-text">Spor Servisi (Futbol)</span> </div> </li> <li class="odd"> <span class="ch-type">Canlı</span> <span class="ch-time">12:15</span> <div class="ch-desc"> <span class="ch-name">TRT Spor</span> <span class="ch-text">Set-Maç-Smaç (Voleybol)</span> </div> </li> <li class="even"> <span class="ch-type">Canlı</span> <span class="ch-time">13:00</span> <div class="ch-desc"> <span class="ch-name">Kanal 58</span> <span class="ch-text">Sivas Bld. - Pendikspor (Futbol)</span> </div> </li> <li class="odd"> <span class="ch-type">Canlı</span> <span class="ch-time">13:00</span> <div class="ch-desc"> <span class="ch-name">Kardelen TV</span> <span class="ch-text">BB Erzurumspor - Zonguldak (Futbol)</span> </div> </li> <li class="even"> <span class="ch-type">Canlı</span> <span class="ch-time">14:00</span> <div class="ch-desc"> <span class="ch-name">Lig Tv</span> <span class="ch-text">Futbol Gündemi (Futbol)</span> </div> </li> <li class="odd"> <span class="ch-type">Canlı</span> <span class="ch-time">14:00</span> <div class="ch-desc"> <span class="ch-name">NTV Spor</span> <span class="ch-text">Spor Aktüel (Futbol)</span> </div> </li> <li class="even"> <span class="ch-type">Canlı</span> <span class="ch-time">20:00</span> <div class="ch-desc"> <span class="ch-name">Tivibu Spor</span> <span class="ch-text">Doğru Taktik (Futbol)</span> </div> </li> <li class="odd"> <span class="ch-type">Canlı</span> <span class="ch-time">20:00</span> <div class="ch-desc"> <span class="ch-name">NTV Spor</span> <span class="ch-text">Kırmızı Çizgi (Futbol)</span> </div> </li> <li class="even"> <span class="ch-type">Canlı</span> <span class="ch-time">20:00</span> <div class="ch-desc"> <span class="ch-name">A Spor</span> <span class="ch-text">Beşiktaş SJ - Zielona Gora (Basketbol)</span> </div> </li> <li class="odd"> <span class="ch-type">Canlı</span> <span class="ch-time">20:30</span> <div class="ch-desc"> <span class="ch-name">Eurosport 2</span> <span class="ch-text">Lokomotiv Kuban - Valencia Basket (Basketbol)</span> </div> </li> <li class="even"> <span class="ch-type">Canlı</span> <span class="ch-time">21:00</span> <div class="ch-desc"> <span class="ch-name">TRT Spor</span> <span class="ch-text">Futbol Keyfi (Futbol)</span> </div> </li> <li class="odd"> <span class="ch-type">Canlı</span> <span class="ch-time">21:00</span> <div class="ch-desc"> <span class="ch-name">Tivibu Spor</span> <span class="ch-text">Ters Köşe (Futbol)</span> </div> </li> <li class="even"> <span class="ch-type">Canlı</span> <span class="ch-time">22:00</span> <div class="ch-desc"> <span class="ch-name">TRT Spor</span> <span class="ch-text">Devler Sahnesi (Futbol)</span> </div> </li> <li class="odd"> <span class="ch-type">Canlı</span> <span class="ch-time">22:00</span> <div class="ch-desc"> <span class="ch-name">Smartspor 2</span> <span class="ch-text">Aris - Banvit (Basketbol)</span> </div> </li> <li class="even"> <span class="ch-type">Canlı</span> <span class="ch-time">22:15</span> <div class="ch-desc"> <span class="ch-name">Eurosport 2</span> <span class="ch-text">Bilbao Basket - Khimki Moskova (Basketbol)</span> </div> </li> <li class="odd"> <span class="ch-type">Canlı</span> <span class="ch-time">23:00</span> <div class="ch-desc"> <span class="ch-name">NTV Spor</span> <span class="ch-text">Spor Gecesi (Futbol)</span> </div> </li> <li class="even"> <span class="ch-type">Canlı</span> <span class="ch-time">23:30</span> <div class="ch-desc"> <span class="ch-name">TRT Spor</span> <span class="ch-text">Spor Gecesi (Futbol)</span> </div> </li> <li class="odd"> <span class="ch-type">Canlı</span> <span class="ch-time">03:00</span> <div class="ch-desc"> <span class="ch-name">NBA TV</span> <span class="ch-text">Washington Wizards - Boston Celtics (Basketbol)</span> </div> </li></ul> """# 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