Romove class by regex jQuery extension

remove_class_regex.js

//------------------------------------------------------------------------------
// Remove class by Regex

// Array.filter for IE<9: https://gist.github.com/eliperelman/1031656
[].filter||(Array.prototype.filter=function(a,b,c,d,e){c=this;d=[];for(e in c)~~e+''==e&&e>=0&&a.call(b,c[e],+e,c)&&d.push(c[e]);return d});

// http://stackoverflow.com/a/18621161
$.fn.removeClassRegex = function(regex) {
  return $(this).removeClass(function(index, classes) {
    return classes.split(/\s+/).filter(function(c) {
      return regex.test(c);
    }).join(' ');
  });
};

//------------------------------------------------------------------------------