Note: The includes() method is case sensitive i.e, it will treat the Uppercase characters and Lowercase characters differently.
Read moreIs contains in C# case sensitive?
The string. Contains() method in C# is case sensitive . And there is not StringComparison parameter available similar to Equals() method, which helps to compare case insensitive.4 Oca 2014
Read moreWhat is case insensitive in C#?
We created a case insensitive contains function to determine whether the wordToCheck string was present in the mainString string with the string. IndexOf() function and StringComparison. OrdinalIgnoreCase as the parameter in C# .13 Mar 2021
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