What is replace () in JavaScript?

The replace() method returns a new string with some or all matches of a pattern replaced by a replacement . The pattern can be a string or a RegExp , and the replacement can be a string or a function to be called for each match. If pattern is a string, only the first occurrence will be replaced.

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What is replace () in JavaScript?

The replace() method returns a new string with some or all matches of a pattern replaced by a replacement . The pattern can be a string or a RegExp , and the replacement can be a string or a function to be called for each match. If pattern is a string, only the first occurrence will be replaced.

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Is JavaScript search case-sensitive?

Case Insensitive Search Both String#includes() and String#indexOf() are case sensitive . … 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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