542a4f94b1
Changed original flatten to be named deepFlatten, added normal flatten, improved some other snippets.
9 lines
200 B
Markdown
9 lines
200 B
Markdown
### Escape regular expression
|
|
|
|
Use `replace()` to escape special characters.
|
|
|
|
```js
|
|
const escapeRegExp = str => str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
|
|
// escapeRegExp('(test)') -> \\(test\\)
|
|
```
|