JavaScript RegExp \b Metacharacter
Example
Do a global search for "W3" at the beginning or end of a word in a string:
var str = "Visit W3Schools";
var patt1 = /\bW3/g;
Try it Yourself »
Definition and Usage
The \b metacharacter is used to find a match at the beginning or end of a word.
If no match is found, it returns null.
Browser Support
| Expression | |||||
|---|---|---|---|---|---|
| \b | Yes | Yes | Yes | Yes | Yes |
Syntax
new RegExp("\\bregexp")
or simply:
/\bregexp/
Syntax with modifiers
new RegExp("\\bregexp", "g")
or simply:
/\bregexp/g
❮ JavaScript RegExp Object
