jQuery AlphaNumeric 介绍
Did you ever found a need where you want to prevent your user from entering
certain characters?
Looking at the plugins available at jQuery, i found a great plugin by Sam
Collet called Numeric.
But it was too limited, what if I’m asking the user to create a username? or
to enter a number with decimals or an IP Address? There is another great
plugin called Masked Input by Josh Bush, which can also control user input by
defining a mask. but the problem was the length of text to be input must be
defined as well. Again, what if I needed to control input of a username? I
can’t tell how many characters the user will be using, and I can’t force him
to use just 8 characters ,so I created AlphaNumeric.
jQuery AlphaNumeric is a javascript control plugin that allows you to limit
what characters a user can enter on textBoxes or textareas. Have fun.
jQuery AlphaNumeric 官网
http://plugins.jquery.com/project/aphanumeric
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