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To run the example project, clone the repo, and run pod install from the Example directory first.

The library is straightforward to use.

  1. Define your regular expression matching pattern as you normally would, including named groups (which are not supported by the default NSRegularExpression). Named groups follow the same method used in PHP: (?<name_of_group>your match)

let pattern = "(?w.+?)\s(?a.+?)$"

  1. Instantiate the main class using your pattern: BetterRegex(pattern: pattern) (it is better for performance to reuse that class for the same pattern every time you need it rather than reinstantiate it every time)

let test = BetterRegex(pattern: pattern)

  1. Obtain your matches back:

let regexOptions: NSMatchingOptions = NSMatchingOptions.WithTransparentBounds let matches: RegexResults = test.extractMatches("welcome all", options: regexOptions)

  1. Access your matches: the RegexResults structure that is returned with convenient accessor methods by name and index. Heye you can get your optional string for a key name using matches.getKey("test") or matches.getKey("amatch") or through numeric indexes for non-named groups and named groups alike via matches.getKey(0) for example.


A reasonably recent version of XCode


BetterRegex is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod "BetterRegex"


Mobilarts / Louis-Eric Simard, louis-eric @ mobilarts -- dot-- com


BetterRegex is available under the MIT license. See the LICENSE file for more info.