RegExp.prototype.compile()

Deprecated

Avoid using this feature in new projects. The compile() method duplicates behavior of the RegExp() constructor and it exists only for backwards compatibility. This feature may be a candidate for removal from web standards or browsers.

: compile() compile() RegExp()

compile() RegExp RegExp

compile(pattern, flags)

pattern
flags

(undefined)

compile()

const regexObj = /foo/gi;
regexObj.compile("new foo", "g");


ECMAScript 2027 LanguageSpecification # sec-regexp.prototype.compile

RegExp

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MDN 20251110

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RegExp
1. RegExp()
1. escape()
Object/Function
1. __proto__
2. constructor