Java String indexOf(String substring) Method Example
Read moreWhat is the function of indexOf?
indexOf() The indexOf() method, given one argument: a substring to search for, searches the entire calling string, and returns the index of the first occurrence of the specified substring .
Read moreWhat is indexOf in Java?
The indexOf() method returns the position of the first occurrence of specified character(s) in a string . Tip: Use the lastIndexOf method to return the position of the last occurrence of specified character(s) in a string.
Read moreHow do you use indexOf?
Definition and Usage. The indexOf() method returns the position of the first occurrence of a value in a string . The indexOf() method returns -1 if the value is not found. The indexOf() method is case sensitive.
Read moreWhat is indexOf C#?
In C#, IndexOf() method is a string method . This method is used to find the zero based index of the first occurrence of a specified character or string within current instance of the string. The method returns -1 if the character or string is not found.
Read moreWhat is indexOf C#?
In C#, IndexOf() method is a string method . This method is used to find the zero based index of the first occurrence of a specified character or string within current instance of the string. The method returns -1 if the character or string is not found.
Read moreHow do I make indexOf not case-sensitive?
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 .
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