Save & Share

Flavor

  • PCRE2 (PHP)
  • ECMAScript (JavaScript)
  • Python
  • Golang
  • Java
  • .NET 7.0 (C#)
  • Rust
  • PCRE (Legacy)
  • Regex Flavor Guide

Function

  • Match
  • Substitution
  • List
  • Unit Tests
Sponsors
There are currently no sponsors. Become a sponsor today!
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

Substitution
Processing...

Code Generator

Language

Generated Code

import Foundation let pattern = #"^(.*?)(,)([^,]+)(,)([^,]+)(,)([^,]+)(,)([^,]+)(,)([^,]+)(,)([^,]+)(,)([^,]+)(,)([^,]+)(,)([^,]+)(,)([^,]+)(,)([^,]+)(,)([^,]+)$"# let regex = try! NSRegularExpression(pattern: pattern, options: [.anchorsMatchLines, .caseInsensitive]) let testString = ##""" Statements in Highest 5 Percent by Runtime SELECT `mid` . `f1` AS `Policy_or_Vehicle` , `mid` . `f2` AS STATUS , `STR_TO_DATE` ( `mid` . `datemidfile` , ? ) AS `Added_to_MID` , `STR_TO_DATE` ( `mid` . `f4` , ? ) AS `Off_Date` , `mid` . `f5` AS `Policy_Number` , `mid` . `f7` AS `Client_or_VRM` , `ins` . `insurerliststr` AS `Insurer` FROM `www` . `midfile` `mid` JOIN `insurerlist` `ins` ON `mid` . `insurerid` = `ins` . `insurerlistuniqid` WHERE `mid` . `datemidfile` BETWEEN DATE_SUB ( CURDATE ( ) , INTERVAL ? YEAR ) AND DATE_SUB ( CURDATE ( ) , INTERVAL ? SQL_TSI_DAY ) AND `mid` . `insurerid` IN (...) ORDER BY `mid` . `datemidfile` , `mid` . `f4` , `mid` . `f5` , *, 1, 1, 0, 60600289.86, 60600289.86, 60600289.86, 9573, 9573.0, 171130, 171130.0, 6d4644bd20c6269cf82c47990e5a70d1 Query, Full Table Scan, Executed (#), Errors (#), Warnings (#), Total Time, Maximum Time, Avg Time, Rows Sent (#), Avg. Rows Sent (#), Rows Scanned (#), Avg. Rows Scanned (#), Digest SELECT `mid` . `f1` AS `Policy_or_Vehicle` , `mid` . `f2` AS STATUS , `STR_TO_DATE` ( `mid` . `datemidfile` , ? ) AS `Added_to_MID` , `STR_TO_DATE` ( `mid` . `f4` , ? ) AS `Off_Date` , `mid` . `f5` AS `Policy_Number` , `mid` . `f7` AS `Client_or_VRM` , `ins` . `insurerliststr` AS `Insurer` FROM `www` . `midfile` `mid` JOIN `insurerlist` `ins` ON `mid` . `insurerid` = `ins` . `insurerlistuniqid` WHERE `mid` . `datemidfile` BETWEEN DATE_SUB ( CURDATE ( ) , INTERVAL ? YEAR ) AND DATE_SUB ( CURDATE ( ) , INTERVAL ? SQL_TSI_DAY ) AND `mid` . `insurerid` IN (...) ORDER BY `mid` . `datemidfile` , `mid` . `f4` , `mid` . `f5` , *, 1, 1, 0, 60600289.86, 60600289.86, 60600289.86, 9573, 9573.0, 171130, 171130.0, 6d4644bd20c6269cf82c47990e5a70d1 SELECT `mid` . `f1` AS `Policy_or_Vehicle` , `mid` . `f2` AS STATUS , `STR_TO_DATE` ( `mid` . `datemidfile` , ? ) AS `Added_to_MID` , `STR_TO_DATE` ( `mid` . `f4` , ? ) AS `Off_Date` , `mid` . `f5` AS `Policy_Number` , `mid` . `f7` AS `Client_or_VRM` , `ins` . `insurerliststr` AS `Insurer` FROM `www` . `midfile` `mid` JOIN `insurerlist` `ins` ON `mid` . `insurerid` = `ins` . `insurerlistuniqid` WHERE `STR_TO_DATE` ( `mid` . `datemidfile` , ? ) BETWEEN DATE_SUB ( CURDATE ( ) , INTERVAL ? YEAR ) AND DATE_SUB ( CURDATE ( ) , INTERVAL ? SQL_TSI_DAY ) AND `mid` . `insurerid` IN (...) ORDER BY `STR_TO_DATE` ( `mid` . `datemidfile` , ? ) , `STR_TO_DATE` ( `mid` . `f4` , ? ) , `mid` . `f5` , *, 2, 2, 0, 121169467.61, 60699529.99, 60584733.81, 18477, 9239.0, 340902, 170451.0, 429fa2d77b34b01ec2a01d75cb59d0d6 SELECT SQL_NO_CACHE * FROM `emaillogs` , *, 2, 1, 0, 48753509.34, 33565241.24, 24376754.67, 1090956, 545478.0, 1090956, 545478.0, a6b13eb5a63a88b3a941da64fe29ee87 SELECT SQL_NO_CACHE * FROM `claim_payments_history` , *, 2, 0, 0, 41465341.13, 24333684.60, 20732670.56, 9408025, 4704013.0, 9408025, 4704013.0, c63a71ee443d1d2b517f1cec39824dd1 SELECT """## let stringRange = NSRange(location: 0, length: testString.utf16.count) let substitutionString = #""\1;"\t\3\t\5\t\7\t\9\t\11\t\13\t\15\t\17\t\19\t\21\t\23\t\25"# let lookupRange = (testString as NSString).range(of: pattern, options: .regularExpression, range: stringRange) if lookupRange.intersection(stringRange) != nil { let result = regex.stringByReplacingMatches(in: testString, range: lookupRange, withTemplate: substitutionString) print(result) } else { print("No matches were found.") }

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