		@@ -33,3 +33,3 @@ # ultramarked

		If you are using `ultrasanitize`, you can pass in an array of strings or regular expressions that match permitted `iframe` targets.
		If you are using `ultrasanitize`, you can pass in an array of strings or regular expressions that match permitted `iframe` targets. Regular expressions are tested against user input, and strings are interpreted as the beginning of a URL. This means that an string like `'http://google.com'` will match any URL in the `google.com` domain that uses the `HTTP` protocol.

		@@ -36,0 +36,0 @@ ### options.terminal

src/sanitizer.js

		@@ -80,8 +80,11 @@ /*
		function htmlParser( html, handler ) {
		var index, chars, match, stack = [], last = html;
		stack.lastItem = function() { return stack[ stack.length - 1 ]; };
		var index, chars, match, stack = [], last = html;

		while ( html ) {
		chars = true;
		stack.lastItem = function () {
		return stack[ stack.length - 1 ];
		};

		while ( html ) {
		chars = true;

		// Make sure we're not in a script or style element
		@@ -218,3 +221,3 @@ if ( !stack.lastItem() \|\| !specialElements[ stack.lastItem() ] ) {
		if (typeof value === 'string') {
		return attrs.src === value;
		return attrs.src.lastIndexOf(value, 0) === 0;
		}
		@@ -380,10 +383,13 @@ return value.test(attrs.src);

		var lowercase = function(string){return typeof string === 'string' ? string.toLowerCase() : string;};
		function lowercase (string) {
		return typeof string === 'string' ? string.toLowerCase() : string;
		}

		module.exports = function(html, options){
		var buffer = [];
		module.exports = function (html, options) {
		var emptyIframe = /<iframe>\s*<\/iframe>/ig;
		var buffer = [];

		htmlParser(html, htmlSanitizeWriter(buffer, options));
		htmlParser(html, htmlSanitizeWriter(buffer, options));

		return buffer.join('');
		return buffer.join('').replace(emptyIframe, '');
		};

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