using System;
using System.Text.RegularExpressions;
namespace ConsoleApplication_C_Sharp
{
class Program
{
static void Main()
{
string s = "c c++\n\t c# \n\rjava \rphp \tpython";
s = Regex.Replace(s, @"\s+", " ");
Console.WriteLine(s);
}
}
}
/*
run:
c c++ c# java php python
*/