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snippets/js/s/clone-reg-exp.md

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+---
+title: Clone RegExp
+type: snippet
+language: javascript
+tags: [type]
+cover: tomatoes
+dateModified: 2020-10-22T20:23:47+03:00
+---
+
+Clones a regular expression.
+
+- Use the `RegExp` constructor, `RegExp.prototype.source` and `RegExp.prototype.flags` to clone the given regular expression.
+
+```js
+const cloneRegExp = regExp => new RegExp(regExp.source, regExp.flags);
+```
+
+```js
+const regExp = /lorem ipsum/gi;
+const regExp2 = cloneRegExp(regExp); // regExp !== regExp2
+```