javascript - Input mask for numeric and decimal -

i realized software application management invoicing after having tested program noticed following error: table in sqlserver contains: price numeric (6,2) user of program enter price 555.00 good. when put 555555 it's error, need specify mask mantissa optional 0 999 , decimal part programmable 2 or 3 according choice of user, i'm using jquery masked input plugin , have not found regular expression, please, help, i'm working jsp / servlet.

you can use jquery numeric numbers.
current version allow you're looking has changed code little bit , works:

html

<input class="numeric" type="text" /> 

javascript

$(".numeric").numeric({ decimal : ".",  negative : false, scale: 3 }); 

this whole source.
, i've prepared fiddle can see how works.