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

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+---
+title: Escape RegExp
+type: snippet
+language: javascript
+tags: [string,regexp]
+cover: frog-blue-flower
+dateModified: 2020-09-15T16:28:04+03:00
+---
+
+Escapes a string to use in a regular expression.
+
+- Use `String.prototype.replace()` to escape special characters.
+
+```js
+const escapeRegExp = str => str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+```
+
+```js
+escapeRegExp('(test)'); // \\(test\\)
+```