var re = new RegExp(reg_exp, opts); 
re = new RegExp(reg_exp, opts);  
	regexpReplace : function(in_str, reg_exp, replace_str, opts) {		if (in_str == null)			return in_str;		if (typeof(opts) == "undefined")			opts = 'g';		var re = new RegExp(reg_exp, opts);		return in_str.replace(re, replace_str);	},
4999	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4999/5aedce1521db51e0580dc7c394a64ebd1b655534/tiny_mce.js/buggy/wp-includes/js/tinymce/tiny_mce.js