正则表达式提取字串
假如某文件中含有
var swfArgs = {"vq": null, "video_id": "r_5wQZ5-94g", "l": 265, "sk": "I00JrNca5hTB93WntFyK8QC", "fmt_map": "", "t": "OEgsToPDskKQ607VgJkEAqVvjdodikRO", "hl": "en", "plid": "AARKbtWm2mpVwGI4AAAAoIA4QAA"};
和
var fullscreenUrl = '/watch_fullscreen?fs=1&vq=None&video_id=r_5wQZ5-94g&l=265&sk=I00JrNca5hTB93WntFyK8QC&fmt_map=&t=OEgsToPDskKQ607VgJkEAqVvjdodikRO&hl=en&plid=AARKbtWm2mpVwGI4AAAAoIA4QAA&title=R-MEAN "Ruf Rugged N\' Raw".....A-Cappella';
怎么使用正则表达式把"t"的值OEgsToPDskKQ607VgJkEAqVvjdodikRO提取出来?