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+---
+title: expandTabs
+tags: string,regexp,beginner
+---
+
+Convert tabs to spaces, where each tab corresponds to `count` spaces.
+
+Use `String.prototype.replace()` with a regular expression and `String.prototype.repeat()` to replace each tab character with `count` spaces.
+
+```js
+const expandTabs = (str, count) => str.replace(/\t/g, ' '.repeat(count));
+```
+
+```js
+expandTabs('\t\tlorem', 3); // '      lorem'
+```