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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
Processing...

Test String

Code Generator

Language

Generated Code

import Foundation let pattern = #"\d{9}\t.*2020"# let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines) let testString = #""" 132403137 v2-gcid-telecom: English (US) 2020-08-18-21-02-30 Experimental English (US) T0 Local Firefly Completed 150 / 0 / 0 -- 5.12 3 2.23 Medium -- No 2020-08-18 anoske 635 Local Search 2020-08-18 mikemaring -- 132407180 v2-gcid-car_rental_agency: English (US) 2020-08-18-20-40-40 Experimental English (US) T0 Local Firefly Completed 150 / 0 / 0 -- 5.1 2.83 2.03 Medium -- No 2020-08-18 anoske 635 Local Search 2020-08-18 mikemaring -- 132403129 v2-gcid-auto_repair_shop: English (US) 2020-08-18-20-38-13 Experimental English (US) T0 Local Firefly Completed 150 / 0 / 0 -- 5.09 3 2.58 Medium -- No 2020-08-18 anoske 635 Local Search 2020-08-18 mikemaring -- 132411145 v2-gcid-beauty_salon: English (US) 2020-08-18-20-36-18 Experimental English (US) T0 Local Firefly Completed 150 / 0 / 0 -- 3.13 3.07 2.77 Medium -- No 2020-08-18 anoske 635 Local Search 2020-08-18 mikemaring -- 132403128 v2-gcid-post_office: English (US) 2020-08-18-20-35-25 Experimental English (US) T0 Local Firefly Completed 18 / 0 / 0 -- 5.17 1.28 1.28 Medium -- No 2020-08-18 anoske 635 Local Search 2020-08-18 mikemaring -- 132415151 v2-gcid-atm: English (US) 2020-08-18-20-31-37 Experimental English (US) T0 Local Firefly Completed 150 / 0 / 0 -- 5.04 4.05 4.52 Medium -- No 2020-08-18 anoske 635 Local Search 2020-08-18 mikemaring -- 132407178 v2-gcid-bank: English (US) 2020-08-18-20-28-45 Experimental English (US) T0 Local Firefly Completed 150 / 0 / 0 -- 3.05 2.48 1.97 Medium -- No 2020-08-18 anoske 635 Local Search 2020-08-18 mikemaring -- 132403127 v2-gcid-gas_station: English (US) 2020-08-18-20-26-38 Experimental English (US) T0 Local Firefly Completed 150 / 0 / 0 -- 5.08 2.78 2.17 Medium -- No 2020-08-18 anoske 635 Local Search 2020-08-18 mikemaring -- 132411143 v2-gcid-bank: English (US) 2020-08-18-20-21-43 Experimental English (US) T0 Local Firefly Invalidated -- -- -- -- -- Medium -- No 2020-08-18 anoske 635 Local Search -- -- -- 132403123 v2-gcid-gas_station: English (US) 2020-08-18-20-18-44 Experimental English (US) T0 Local Firefly Invalidated -- -- -- -- -- Medium -- No 2020-08-18 anoske 635 Local Search -- -- -- 132383124 v2-gcid-theme_park: English (US) 2020-08-18-00-59-53 Experimental English (US) T0 Local Firefly Completed 150 / 0 / 0 -- 5.8 3.47 2.98 Medium -- No 2020-08-17 anoske 635 Local Search 2020-08-17 hongyan -- 132367118 v2-gcid-nail: English (US) 2020-08-18-00-43-53 Experimental English (US) T0 Local Firefly Completed 300 / 0 / 0 -- 5.18 3.38 3.15 Medium -- No 2020-08-17 anoske 635 Local Search 2020-08-17 hongyan -- 132351136 v2-gcid-wedding_photographer: English (US) 2020-08-18-00-42-16 Experimental English (US) T0 Local Firefly Completed 150 / 0 / 0 -- 5.31 2.82 2.3 Medium -- No 2020-08-17 anoske 635 Local Search 2020-08-17 hongyan -- 132363117 v2-gcid-tattoo_shop: English (US) 2020-08-18-00-41-06 Experimental English (US) T0 Local Firefly Completed 150 / 0 / 0 -- 5.18 3.72 3.82 Medium -- No 2020-08-17 anoske 635 Local Search 2020-08-17 hongyan -- 132375127 v2-gcid-roller_coaster: English (US) 2020-08-18-00-39-45 Experimental English (US) T0 Local Firefly Completed 150 / 0 / 0 -- 5.45 3.22 2.83 Medium -- No 2020-08-17 anoske 635 Local Search 2020-08-17 hongyan -- 132371115 v2-gcid-miniature_golf_course: English (US) 2020-08-18-00-38-25 Experimental English (US) T0 Local Firefly Completed 150 / 0 / 0 -- 5.46 2.95 2.02 Medium -- No 2020-08-17 anoske 635 Local Search 2020-08-17 hongyan -- 132379104 v2-gcid-hair: English (US) 2020-08-18-00-36-26 Experimental English (US) T0 Local Firefly Completed 300 / 0 / 0 -- 4.8 3.27 2.98 Medium -- No 2020-08-17 anoske 635 Local Search 2020-08-17 hongyan -- 132383111 v2-gcid-go_kart_track: English (US) 2020-08-18-00-35-04 Experimental English (US) T0 Local Firefly Completed 250 / 0 / 0 -- 5.29 3.8 3.5 Medium -- No 2020-08-17 anoske 635 Local Search 2020-08-17 hongyan -- 132379102 v2-gcid-day_care_center: English (US) 2020-08-18-00-33-42 Experimental English (US) T0 Local Firefly Compl """# 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