rem: 'assertions': '\(\?(=)', 
context: function checkPattern(s) {	try {		RegExp(s);	} catch (e) {		return ' ';	}	s = s.replace(/\\[^bB\d]/, '');	var e = {		'quantifiers': '\\{',		'anchors': '\\[bB',		'assertions': '\(\?(=)',		'back-references': '\\[\d]'	}	for (var p in e) {		var m = s.match(RegExp(e[p]));		if (m)			return p.escapeHTML() + ' such as <kbd>' + m[0].escapeHTML() + '</kbd>';	}}
meta: 5392	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5392/a20fbdc394ef7d46230a5347ed3abb286cadd356/rework.js/buggy/tools/reanimator/rework.js