bhind

extension String {
    static private let SNAKECASE_PATTERN:String = "(\\w{0,1})_"
    static private let CAMELCASE_PATTERN:String = "[A-Z][a-z,\\d]*"
    func snake_caseToCamelCase() -> String{
        let buf:NSString = self.capitalized.replacingOccurrences( of: String.SNAKECASE_PATTERN,
                                                      with: "$1",
                                                      options: .regularExpression,
                                                      range: nil) as NSString
        return buf.replacingCharacters(in: NSMakeRange(0,1), with: buf.substring(to: 1).lowercased()) as String
    }