fixed slow parsing caused by too many backtracking

fixes tautologistics#61

lib/htmlparser.js

@@ -71,7 +71,7 @@ function Parser (handler, options) {
 	Parser._reTrim = /(^\s+|\s+$)/g; //Trim leading/trailing whitespace
 	Parser._reTrimComment = /(^\!--|--$)/g; //Remove comment tag markup from comment contents
 	Parser._reWhitespace = /\s/g; //Used to find any whitespace to split on
-	Parser._reTagName = /^\s*(\/?)\s*([^\s\/]+)/; //Used to find the tag name for an element
+	Parser._reTagName = /^\s*(?:(\/)\s*)?([^\s\/]+)/; //Used to find the tag name for an element
 
 	//Regular expressions used for parsing (stateful)
 	Parser._reAttrib = //Find attributes in a tag

tests/23-bug-61.js

@@ -0,0 +1,42 @@
+(function () {
+
+function RunningInNode () {
+	return(
+		(typeof require) == "function"
+		&&
+		(typeof exports) == "object"
+		&&
+		(typeof module) == "object"
+		&&
+		(typeof __filename) == "string"
+		&&
+		(typeof __dirname) == "string"
+		);
+}
+
+if (!RunningInNode()) {
+	if (!this.Tautologistics)
+		this.Tautologistics = {};
+	if (!this.Tautologistics.NodeHtmlParser)
+		this.Tautologistics.NodeHtmlParser = {};
+	if (!this.Tautologistics.NodeHtmlParser.Tests)
+		this.Tautologistics.NodeHtmlParser.Tests = [];
+	exports = {};
+	this.Tautologistics.NodeHtmlParser.Tests.push(exports);
+}
+
+exports.name = "Bug 61";
+exports.options = {
+	  handler: {}
+	, parser: {}
+};
+exports.html = new Array(300000).join("\t") + "<";
+exports.chunkSize = 500;
+exports.expected =
+	[ { raw: exports.html.substr(0,exports.html.length-1)
+		  , data: exports.html.substr(0,exports.html.length-1)
+		  , type: 'text'
+	  }
+	];
+
+})();