Regular Expression Pattern in C#

This is a C# Program to illustrate regular expression pattern.

This C# Program Illustrates Regular Expression Pattern.

Here the Regex class is used for representing a regular expression and the words that start with the given letter is displayed.

Here is source code of the C# Program to Illustrate Regular Expression Pattern. The C# program is successfully compiled and executed with Microsoft Visual Studio. The program output is also shown below.

/*
 * C# Program to Illustrate Regular Expression Pattern
 */
using System;
using System.Text.RegularExpressions;
namespace Application
{
    class Program
    {
        private static void showMatch(string text, string expr)
        {
            Console.WriteLine("The Expression : " + expr);
            MatchCollection m = Regex.Matches(text, expr);
            foreach (Match m1 in m)
            {
                Console.WriteLine(m1);
            }
        }
        static void Main(string[] args)
        {
            string str = "Sanfoundry , a high end Technology Training company";
            Console.WriteLine("Matching words that start with 'S': ");
            showMatch(str, @"\bS\S*");
            Console.ReadKey();
        }
    }
}

This C# program is used to illustrate regular expression pattern. We have defined a sentence in ‘str’ string variable. Then we are calling the showMatch() procedure by passing the str and expr variable values as an argument.

The showMatch() procedure is used to find the matching words that start with ‘S’. Here the Regex class is used for representing a regular expression and the words that start with the given letter are displayed.

 
Matching Words that Starts With 'S' : 
The Expression : \bs\s*
Sanfoundry