HTML input filters

input.filters.js

<script type="text/javascript">
  $(document).ready(function() {

  var masks = {
    'int':     /[\d]/,
    'float':     /[\d\.]/,
    'money':    /[\d\.\s,]/,
    'num':      /[\d\-\.]/,
    'hex':      /[0-9a-f]/i,
    'email':    /[a-z0-9_\.\-@]/i,
    'alpha':    /[a-z_]/i,
    'alphanum': /[a-z0-9_]/i,
    'alphanumlower':/[a-z0-9_]/,
    'alphaspace':    /[a-z ]/i,
    'alphanumspace': /[a-z0-9_ ]/i,
    'alphanumspacelower':/[a-z0-9_ ]/
  };

  $('input[data-mask]').each(function(idx) {
    var mask = $(this).data('mask');
    var regex = (masks[mask]) ? masks[mask] : mask;

    $(this).filter_input({ regex: regex, live: true }); 
  });
});
</script>