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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
thank you so much
more logical when i=1; i<=n
The test() method executes a search for a match between a regular expression and a specified string. Returns true or false.
let string = "The best things in life are free";
let pattern = new RegExp("e");
console.log(pattern.test(string));
Please can you explain what is the method called?