init?()

in sdk/core/AzureCore/Source/Util/ConvertingInitializers.swift [65:78]

• 14 lines of code
• 2 McCabe index (conditional complexity)

    init?(hexString: String) {
        self.init(capacity: hexString.count / 2)
        if let regex = try? NSRegularExpression(pattern: "[0-9a-f]{1,2}", options: .caseInsensitive) {
            regex.enumerateMatches(
                in: hexString,
                range: NSRange(hexString.startIndex..., in: hexString)
            ) { match, _, _ in
                let byteString = (hexString as NSString).substring(with: match!.range)
                let num = UInt8(byteString, radix: 16)!
                append(num)
            }
        }
        guard count > 0 else { return nil }
    }