[Gvozd]

Вот мое решение по данному проекту:

function replace_links() {
	var regexp = /(https?:\/\/\S*)|(www\.\S*)|(\S+\.(ru|net|com|kr|jp)\S*)/ig
	var replacer = function(t) {
		var _t = t;
		if(!/https?:\/\//.test(t))
			t = 'http://' + t;
		return '<a href="' + t + '" target="_blank">' + _t + '</a>';
	};
	var all_tags = document.getElementsByTagName('*');
	var replaced_elems = [];
	for(var i = 0; i < all_tags.length; i++) {
		//exit on <script> and <a> before recursive
		var tmp = all_tags[i]; var exit = false;
		while('HTML' != tmp.tagName) {
			if('A' == tmp.tagName || 'SCRIPT' == tmp.tagName || 'STYLE' == tmp.tagName) {
				exit = true;
				break;
			}
			tmp = tmp.parentNode;
		}
		if(exit) {
			continue;
		}
		//cycle for Text Nodes in current Tag
		for(var j = 0; j < all_tags[i].childNodes.length; j++) {
			if(3 == all_tags[i].childNodes[j].nodeType) {
				var str = all_tags[i].childNodes[j].nodeValue;
				regexp.lastIndex = 0;
				if(regexp.test(str)){
					str = str.replace(regexp, replacer);
					replaced_elems.push([all_tags[i].childNodes[j], str]);
				}
			}
		}
	}
	for(var i = 0; i < replaced_elems.length; i++) {
		var curr_elem = replaced_elems[i][0];
		var str = replaced_elems[i][1];
		curr_elem.nodeValue = '';
		var tmp_elem = document.createElement('div');
		tmp_elem.innerHTML = str;
		for(var j = 0, s = tmp_elem.childNodes.length; j < s; j++) {
			curr_elem.parentNode.insertBefore(tmp_elem.childNodes[0], curr_elem);
		}
	}
}