If a String contains another String then it’s known as a substring. The indexOf() method accepts a String and returns the starting position of the string if it exists, otherwise, it will return -1. For example “fastfood”.
Read moreDoes string have a Contains method?
The contains() method checks whether a string contains a sequence of characters . Returns true if the characters exist and false if not.
Read moreDoes Java string contain Ignorecase?
Yes, contains is case sensitive . You can use java.
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 moreDoes indexOf ignore case?
The indexOf() method returns the index number where the target string is first found or -1 if the target is not found. Like equals(), the indexOf() method is case-sensitive , so uppercase and lowercase chars are considered to be different.
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 .
Read more