How to get specific a word with Regular Expression ? please show the regex : I want to get "INFO","ERROR","DEBUG"  with one Regular Expression.
Eg，when meet "1",will get INFO; when meet "2",will get ERROR;when meet "3",will get DEBUG.

     1.   [0;39m [http-nio-9000-exec-1] 2017-09-13 17:52:45,394 [34m|-INFO [0;39m [1;30mWatchHandlerInterceptor.java:59[0;39m [1;31m[0;39m |    [35mreq monitor
        
     2. [0;39m [http-nio-9000-exec-1] 2017-09-13 17:52:45,394 [34m|-ERROR[0;39m [1;30mWatchHandlerInterceptor.java:59[0;39m [1;31m[0;39m |    [35mreq monitor 
        
     3. [0;39m [http-nio-9000-exec-1] 2017-09-13 17:52:45,394 [34m|- DEBUG[0;39m [1;30mWatchHandlerInterceptor.java:59[0;39m [1;31m[0;39m |    [35mreq monitor

