JavaScript RegExp \b Metacharacter
 JavaScript RegExp Object
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.
Syntax
new RegExp("\bregexp")
or simply:
/\bregexp/
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Example
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;
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The marked text below shows where the expression gets a match:
Try it yourself »
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JavaScript RegExp Object
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