How to check if a string is a character in Java

The strchr function returns a pointer to the first occurrence of character c in string or a null pointer if no matching character is found.

To check if a string contains a specific character in Javascript, call the String. indexOf method , e.g. string. indexOf(myChar) .4 Eki 2021

The Java String contains() method is used to check whether the specific set of characters are part of the given string or not. It returns a boolean value true if the specified characters are substring of a given string and returns false otherwise. It can be directly used inside the if statement.26 Şub 2022

The includes() method returns true if a string contains a specified string . Otherwise it returns false . The includes() method is case sensitive.