Question

How to use Regex pattern to check if there is one digit in a string with C#

Answer 1

using System;
using System.Text.RegularExpressions;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            string s = "c c++ 9 c# java";

            Match match = Regex.Match(s, @"\d");
            if (match.Success) {
                Console.WriteLine(match.Value);
            }

        }
    }
}


/*
run:
      
9
  
*/

 

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