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 = #"Initiating task ContentDownload\s\w+\s\w+\s(?P<Deployment>ScopeId[^}]*)\}\s+\d*-\d*-\d*\s*\d*:\d*:\d*\.\d*\s\w*\s*(?P<Status>Unable.*)"# let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines) let testString = #""" Search : ADSite_Membership="Initiating task ContentDownload for CI*" OR ADSite_Membership="Initiating Content Download*" OR ADSite_Membership="Unable to get locations*" |table _time ADSite_Membership Search Result: 2019-06-19 12:36:15.000 Initiating task ContentDownload for CI ScopeId_B4419992-1C14-4FC6-AB4E-D7730CD14853/DeploymentType_4a3a8593-e333-4bb4-a3f9-bb1ce19cf0eb.6 (GP4.1.11 BlueCoatDecom - User Interactive) for target: , consumer: {CA8EDD4A-6D29-4CE0-90AD-0EB22011B165} 2019-06-19 12:36:15.000 Initiating task ContentDownload for CI ScopeId_B4419992-1C14-4FC6-AB4E-D7730CD14853/DeploymentType_28ce7e7a-307a-417b-baf1-70c6bf0889d9.10 (Intel GFX driver 6th 7th 8th Apollo Gemini (EUDM - ALL)) for target: , consumer: {FE0C1DDA-725A-4FF2-9E20-D78968FAC529} 2019-06-20 12:58:02.414 Unable to get locations, no need to continue with download 2019-06-20 13:07:52.000 Initiating task ContentDownload for CI ScopeId_B4419992-1C14-4FC6-AB4E-D7730CD14853/DeploymentType_28ce7e7a-307a-417b-baf1-70c6bf0889d9.10 (Intel GFX driver 6th 7th 8th Apollo Gemini (EUDM - ALL)) for target: , consumer: {546E275F-FE56-4EA8-A37B-41508E57148D} """# 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