Regular expression to check military ID, passport, Hong Kong and Macau pass

Regular expressions for military ID, passport, Hong Kong and Macau pass

var filter_jg = /^[a-zA-Z0-9]{7,21}$/; //Military ID

var filter_ga = /^[a-zA-Z0-9]{5,21}$/; //Hong Kong and Macau Pass

var filter_hz = /^[a-zA-Z0-9]{3,21}$/; //passport

 

<input type="text" name="card_no" id="card_no" value=""/>

The verification method is for example:

filter_jg.test($("#card_no").val());