正则语句请教

我易来 · 发表于 2013-6-10 16:28:23

{"videoCover":"http://pic8.qiyipic.com/thumb/20121029/a255506.jpg","albumId":255506,"videoUrl":"http://www.iqiyi.com/dianshiju/20121029/d9e2a062025011e4.html","score":"9.0","videoName":"我是特种兵之利刃出鞘未删减版","voters":"1442","leafCtg":["言情剧","谍战剧","军旅剧"],"categoryName":"电视剧","subTitle":"","area":["内地"],"tvsets":40,"source":"","miniAlbumUrl":"http://mini.app.iqiyi.com/dianshiju/neidi/wstzbzlrcq.html","sets":"40集全","versionId":0,"mainActor":["吴京","徐佳","赵荀","侯勇","周惠林","何达","侯梦莎","徐洪浩","郎峰","任柯诺","王劲松","王天野","申军谊","刘晓洁","傅程鹏"],"focus":"偶像版中国特种兵","videoDuration":2719}

正则好纠结，只好又上来提问了、如上所示，请教各位如何取到红色字体的内容，谢谢！