Is Array include case sensitive?

includes() method case insensitive in JavaScript, convert both of the strings you’re comparing to lowercase. … We just need the strings to be the same case, to be able to determine if the substring is contained in the string. To perform a case insensitive check whether a string is contained in an array: call the Array.4 Eki 2021

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Is Array include case sensitive?

includes() method case insensitive in JavaScript, convert both of the strings you’re comparing to lowercase. … We just need the strings to be the same case, to be able to determine if the substring is contained in the string. To perform a case insensitive check whether a string is contained in an array: call the Array.4 Eki 2021

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How 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

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