rem: return this.replace(/^\s+/, '').replace(/\s+$/, ''); 
add: return this.replace(/^\s+|\s+$/, ''); 
context: String.prototype.trim = function() {    return this.replace(/^\s+/, '').replace(/\s+$/, '');};
meta: 6194	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/6194/b8dd03898c9ff37ecb14a574693d027a6769549a/string.js/clean/src/webapp/api/scripts/string.js