JavaScript replace case insensitive

The RegExp i Modifier in JavaScript is used to perform case-insensitive matching in the string.

If you want only part of the regex to be case insensitive (as my original answer presumed), then you have two options:

If you want only part of the regex to be case insensitive (as my original answer presumed), then you have two options:

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

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