Jayrock.Json.JsonNumber.Regex C# (CSharp) Method

        private static Regex Regex(bool lws, bool rws)
        {
            return new Regex(
                "^"
                + (lws ? @"\s*" : null)
                /*
                        number = [ minus ] int [ frac ] [ exp ]
                        decimal-point = %x2E       ; .
                        digit1-9 = %x31-39         ; 1-9
                        e = %x65 / %x45            ; e E
                        exp = e [ minus / plus ] 1*DIGIT
                        frac = decimal-point 1*DIGIT
                        int = zero / ( digit1-9 *DIGIT )
                        minus = %x2D               ; -
                        plus = %x2B                ; +
                        zero = %x30                ; 0
                */
                + @"      -?                # [ minus ]
                                            # int
                        (  0                #   zero
                           | [1-9][0-9]* )  #   / ( digit1-9 *DIGIT )
                                            # [ frac ]
                        ( \.                #   decimal-point
                          [0-9]+ )?         #   1*DIGIT
                                            # [ exp ]
                        ( [eE]              #   e
                          [+-]?             #   [ minus / plus ]
                          [0-9]+ )?         #   1*DIGIT
                  " // NOTE! DO NOT move the closing quote
                    // Moving it to the line above change the pattern!
                + (rws ? @"\s*" : null)
                + "$",
                RegexOptions.IgnorePatternWhitespace
                | RegexOptions.ExplicitCapture
                | RegexOptions.Compiled);
        }