javascript includes() case insensitive

Question

lets say I have an array of filter strings that I need to loop and check against with other passed in string.

var filterstrings = [\'firststring\',\'secondst         


        

Answer 1

You can create a RegExp from filterstrings first

var filterstrings = ['firststring','secondstring','thridstring'];
var regex = new RegExp( filterstrings.join( "|" ), "i");

then test if the passedinstring is there

var isAvailable = regex.test( passedinstring );