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/**
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 * @param {string} s
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 * @param {string} p
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 * @return {boolean}
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 */
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var isMatch = function (s, p) {
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  const pattern = new RegExp("^" + p + "$"); // ^ means start of string, $ means end of the string, these are to prevent certain pattern that match a part of the string to be returned as true.
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  return pattern.test(s);
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};