How to Find out special char ‘_’ in a string and convert next char to lower if in upper and vise versa of this problem Input : shiv_Kumar Output : shivkumar

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How to Find out special char ‘_’ in a string and convert next char to lower if in upper and vise versa of this problem

Input :           shiv_Kumar

Output :        shivkumar

Input :           thisIsShivKumarTutorials

OutPut :        this_is_shiv_kumar_tutorials

Input :           this_Is_Shiv_Kumar_Tutorials

OutPut :        thisisshivkumartutorials

static void FindCharinString(string arr)

        {

           char[] chr = arr.ToCharArray();

            //Array.Sort(chr); //SORTING ARRAY

            string newstr = "";

            if (arr.Contains('_') == true)

            {

                for (int i = 0; i < chr.Length; i++)

                {

                    if (chr[i] == '_')

                    {

                        chr[i + 1] = Char.ToLower(chr[i + 1]);

                    }

                    else

                    {

                        newstr += chr[i].ToString();

                    }

                }

            }

            else

            {

                for (int i = 0; i < chr.Length; i++)

                {

                    if (chr[i] == char.ToUpper(chr[i]))

                    {

                        newstr += "_" + char.ToLower(chr[i]);

                    }

                    else

                    {

                        newstr += chr[i].ToString();

                    }

                }

            }

            Console.WriteLine(newstr); }

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