https://www.laminex.co.nz/_ui/responsive/common/js/acc.sanitizer.js

1ACC.sanitizer = {
2		
3		matcher: /<\/?([a-zA-Z0-9]+)*(.*?)\/?>/igm,
4
5		whitelist: [
6			'pre',
7			'address',
8			'em',
9			'hr'
10		],
11
12		sanitize: function(html, useWhitelist) {
13			useWhitelist=true;
14			html = (String(html) || '');
15
16		    var matches = ACC.sanitizer.match(html);
17
18		    matches.forEach(function(tag){
19		        if (!useWhitelist || ACC.sanitizer.whitelist.indexOf(tag.name) == -1) {
20		          html = html.replace(tag.full, '');
21		        }
22		    });
23
24		    return html;
25	},
26
27	match: function(html) {
28	    html = String(html) || '';
29
30	    var matches = [],
31	        match;
32
33	    while ((match = ACC.sanitizer.matcher.exec(html)) != null) {
34	      var attrr = match[2].split(' '),
35	          attrs = [];
36
37	      // extract attributes from the tag
38	      attrr.shift();
39	      attrr.forEach(function(attr){
40	        attr = attr.split('=');
41	        var attr_name = attr[0],
42	            attr_val = attr.length > 1 ? attr.slice(1).join('=') : null;
43	        // remove quotes from attributes
44	        if (attr_val && attr_val.charAt(0).match(/'|"/)) attr_val = attr_val.slice(1);
45	        if (attr_val && attr_val.charAt(attr_val.length-1).match(/'|"/)) attr_val = attr_val.slice(0, -1);
46	        attr = {
47	          name: attr_name,
48	          value: attr_val
49	        };
50	        if (!attr.value) delete attr.value;
51	        if (attr.name) attrs.push(attr);
52	      });
53
54	      var tag = {
55	        full: match[0],
56	        name: match[1],
57	        attr: attrs
58	      };
59
60	      matches.push(tag);
61	    }
62
63	    return matches;
64	  }
65};