RegExp compile()The compile() method of RegExp objects recompiles an existing regular expression object using a new pattern and flags.regexpsRegular expressionslimitedhttps://tc39.es/ecma262/multipage/additional-ecmascript-features-for-web-browsers.html#sec-regexp.prototype.compilehttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/RegExp/compilejavascript.builtins.RegExp.compilehttps://nowyoucanuse.com/features--regexp-compile.html