请教正则表达式(去掉尾数)
就是去掉所有尾数123 
 比如: 
 sourcetxt= "C:\program   file\123\pro123123123 " 
 targettxt= "C:\program   file\123\pro " 
 sourcetxt= "abcd123123 " 
 targettxt= "abcd " 
------解决方案--------------------用 "\d*$ "替换
------解决方案--------------------string sourcetxt=@ "C:\program file\123\pro123123123 "; 
 sourcetxt=Regex.Match(sourcetxt, ".*?(?=(123)+$) ").Value;   
 呵呵