Allowing just Numeric Text on Input Text field

Question

There are many solutions suggested on Stack Overflow but i have not found yet, one that fully satisfy my requirements.
I was using Jquery Numeric plugin but i found that is not working (does not allow pasting) on FireFox 3.6 on Osx.

I'm searching a Jquery plugin or Javascript snippet that allow just Numeric Text on a Input Text field.
I have these requirements:

1. Should allow just numeric text
2. Should NOT allow punctuation (.,)
3. Should NOT allow dashed text (-)
4. Should allow pasting just for numeric text
5. Multibrowser
6. Multiplatform

Answer 1

Thanks to dev-null-dweller i have resolved with this script:

jQuery('#input').bind('keyup blur',function(){ 
   jQuery(this).val( jQuery(this).val().replace(/[^0-9]/g,'') ); }
);