Regular expression\w metacharacter usage introduction

Regular expression\w metacharacter:

\w metacharacter is used to match word characters, which is equivalent to "[a-zA-Z0-9]".
Syntax structure:

Constructor method:

new RegExp("\\w")

Direct Object Measurement Method:

/\w/

Browser support:
IE browser supports this metacharacter.
Firefox browser supports this metacharacter.
Google Chrome supports this metacharacter.

Example code:

Example 1:

var str="antzone<12>love"; 
var reg=new RegExp("\\w","g"); 
((reg));

The above code can match word characters in the string, and those not within the range of "[a-zA-Z0-9_]" will not be matched.

Example 2:

var str="antzone<12>love"; 
var reg=/\w/g; 
((reg));

The function of this code is the same as the above code.