C# Sharp Exercises: Find a specific word in a string
C# Sharp Regular Expression: Exercise-9 with Solution
Write a C# Sharp program to locate the word “C#” in a given string. If the word "C#" is found, return “C# document found.” otherwise return “Sorry no C# document!”.
Sample Data:
("C# Exercises") -> "C# document found."
("Python Exercises") -> "Sorry no C# document!"
("Tutorial on c#") -> "C# document found."
Sample Solution:
C# Sharp Code:
using System;
using System.Text.RegularExpressions;
namespace exercises
{
class Program
{
static void Main(string[] args)
{
string text = "C# Exercises";
Console.WriteLine("Original string: " + text);
Console.WriteLine(test(text));
text = "Python Exercises";
Console.WriteLine("\nOriginal string: " + text);
Console.WriteLine(test(text));
text = "Tutorial on c#";
Console.WriteLine("\nOriginal string: " + text);
Console.WriteLine(test(text));
}
public static string test(string text)
{
bool flag = Regex.IsMatch(text, Regex.Escape("C#"), RegexOptions.IgnoreCase);
if (flag)
{
return "C# document found.";
}
return "Sorry no C# document!";
}
}
}
Sample Output:
Original string: C# Exercises C# document found. Original string: Python Exercises Sorry no C# document! Original string: Tutorial on c# C# document found.
Flowchart:

C# Sharp Code Editor:
Improve this sample solution and post your code through Disqus
Previous C# Sharp Exercise: Remove special characters from a given text.
Next C# Sharp Exercise: C# Sharp Regular Expression Exercises Home.
What is the difficulty level of this exercise?
Test your Programming skills with w3resource's quiz.
- Weekly Trends
- Python Interview Questions and Answers: Comprehensive Guide
- Scala Exercises, Practice, Solution
- Kotlin Exercises practice with solution
- MongoDB Exercises, Practice, Solution
- SQL Exercises, Practice, Solution - JOINS
- Java Basic Programming Exercises
- SQL Subqueries
- Adventureworks Database Exercises
- C# Sharp Basic Exercises
- SQL COUNT() with distinct
- JavaScript String Exercises
- JavaScript HTML Form Validation
- Java Collection Exercises
- SQL COUNT() function
- SQL Inner Join