正则表达式 source <转> 一步一步学Ruby(九):Ruby正则表达式(上)http://www.cnblogs.com/cnblogsfans/archive/2009/02/02/1382745.html一步一步学Ruby(十):Ruby正则表达式(下)http://www.cnblogs.com/cnblogsfans/archive/2009/02/03/1383505.html