Overview
In C#, String.Contains() is an instance method of the String class. It is used to find whether a given string contains characters. If it finds a matching substring in this particular string, it returns True. If not, it returns False.
Syntax
public bool Contains (string substring)// or public bool Contains (Char value)Parameters
String substring // the string to be searched// or Char value // character to be seekedReturns value
Boolean: It returns True or False based on whether the string contains the given substring.
If the passed substring is null, itthrows an ArgumentNullException error.
Code
See Also
String.Substring Method (System)