How to use\ w metacharacters in regular expressions

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Regular expression\ w metacharacter:

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

Grammatical structure:

Constructor mode:

New RegExp ("\\ w")

Object direct quantity method:

/\ w /

Browsers support:

IE browsers support this metacharacter.

Firefox browser supports this metacharacter.

Google browser supports this metacharacter.

Example code:

Example 1:

Var str= "antzonelove"; var reg=new RegExp ("\\ w", "g"); console.log (str.match (reg))

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

Example 2:

Var str= "antzonelove"; var reg=/\ w Maple g; console.log (str.match (reg))

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

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