NSRegularExpression+ActuallyReasonableMatch.swift

NSRegularExpression+ActuallyReasonableMatch.swift

extension NSRegularExpression {
    func actuallyUsableMatch(in string: String) -> (fullMatch: String, captures: [String])? {
        let nsString = string as NSString
        let range = NSMakeRange(0, nsString.length)
        guard let match = firstMatch(in: string, range: range) else {
            return nil
        }
        
        let fullMatch = nsString.substring(with: match.range)
        var captures: [String] = []
        for i in 1 ..< match.numberOfRanges {
            captures.append(nsString.substring(with: match.rangeAt(i)))
        }
        return (fullMatch, captures)
    }
}