JavaScript is a case-sensitive language. This means that language keywords, variables, function names, and any other identifiers must always be typed with a consistent capitalization of letters.
Read moreHow do you make a case insensitive in JavaScript?
The most basic way to do case insensitive string comparison in JavaScript is using either the toLowerCase() or toUpperCase() method to make sure both strings are either all lowercase or all uppercase .
Read moreIs includes JavaScript case-sensitive?
Note: The includes() method is case sensitive i.e, it will treat the Uppercase characters and Lowercase characters differently.
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 .16 May 2019
Read moreIs array indexOf case sensitive?
indexOf() case insensitive . You can normalize the case between the Array and the search term.
Read moreIs array indexOf case sensitive?
indexOf() case insensitive . You can normalize the case between the Array and the search term.
Read moreHow do you check if a string contains a substring case insensitive JavaScript?
The simplest way is to convert the entire string to either to lowercase or uppercase and use the javascript indexOf, includes methods as shown below. To check for case insensitive string contains, use the regular expressions. Add suffix “i” after the string regular expression as shown.
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