Both String#includes() and String#indexOf() are case sensitive . Neither function supports regular expressions. To do case insensitive search, you can use regular expressions and the String#match() function, or you can convert both the string and substring to lower case using the String#toLowerCase() function.16 May 2019
Read moreAre strings in C case-sensitive?
It is case-insensitive . The behavior is NOT undefined (it is well-defined) if either string is a null ptr. Regular strncmp() has undefined behavior if either string is a null ptr (see: https://en.cppreference.com/w/cpp/string/byte/strncmp).
Read moreHow do you make a case insensitive in C#?
Generally, in c# the string Equals() method will perform case-sensitive string comparison. If we want to perform case insensitive string comparison, we need to use the OrdinalIgnoreCase property and the Equals method .
Read moreHow do you make a case insensitive?
includes on and the substring to lowercase to make a case insensitive lookup.
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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