RegExp [\b] Metacharacter
Example
Find the position of a backspace character:
let text = "Visit W3Schools.\bLearn Javascript.";
let pattern = /[\b]/;
let result = text.search(pattern);
Try it Yourself »
Description
The [\b] metacharacter matches backspace characters.
Syntax
new RegExp("\[\b]")
or simply:
/[\b]/
Regular Expression Methods
Regular Expression Search and Replace can be done with different methods.
These are the most common:
String Methods
| Method | Description |
|---|---|
| match(regex) | Returns an Array of results |
| matchAll(regex) | Returns an Iterator of results |
| replace(regex) | Returns a new String |
| replaceAll(regex) | Returns a new String |
| search(regex) | Returns the index of the first match |
| split(regex) | Returns an Array of results |
RegExp Methods
| Method | Description |
|---|---|
| regex.exec() | Returns an Iterator of results |
| regex.test() | Returns true or false |
Browser Support
/[\b]/ is an ECMAScript1 (JavaScript 1997) feature.
It is supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | Yes |
