const regex = new RegExp('(?P<timestamp>\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2},\\d{3}) (?P<level>INFO|ERROR|WARN|TRACE|DEBUG|FATAL)\\s+\\[(?P<firstSquareBrackets>[^\\]]*)]\\s+\\[(?P<secondSquareBrackets>[^\\]]*)]\\s+\\[(?P<thirdSquareBrackets>[^\\]]*)]\\s+\\[(?P<fourthSquareBrackets>[^\\]]*)]\\s+\\[(?P<fifthSquareBrackets>[^\\]]*)] - (?P<textMessage>.*?)(?=\\\\Z|;\\s+|\\n)|(?P<exception>^.+Exception: .+)|(?P<stacktrace>^\\s+at .+)|(^\\s+... \\d+ more)|(^\\s*Caused by:.+)', 'gm')
const str = `2018-07-24 00:01:33,711 WARN [r3223r2r3] [] [] [ewqrwerwer] [ewfwefwef] - Failed;
2018-07-24 00:01:33,712 DEBUG [r3223r2r3] [] [] [ewqrwerwer] [ewfwefwef] - Sample log
2018-07-24 00:02:33,712 DEBUG [r3223r2r3] [] [] [ewqrwerwer] [ewfwefwef] - Sample log
2018-07-24 00:20:33,830 DEBUG [r3223r2r3] [] [] [ewqrwerwer] [ewfwefwef] - Sample log
2018-07-24 00:20:37,731 DEBUG [r3223r2r3] [] [] [3r2r32r] [c.i.s.h.r.i.RssNewsServiceImpl] - 3r232r
2018-07-24 10:33:45,852 ERROR [r3223r2r3] [fgd] [gr] [reger] [regre] - Sample log
javax.servlet.ServletException: Something bad happened
at com.example.myproject.OpenSessionInViewFilter.doFilter(OpenSessionInViewFilter.java:60)
at org.mortbay.jetty.servlet.ServletHandler\$CachedChain.doFilter(ServletHandler.java:1157)
at com.example.myproject.ExceptionHandlerFilter.doFilter(ExceptionHandlerFilter.java:28)
at org.mortbay.jetty.servlet.ServletHandler\$CachedChain.doFilter(ServletHandler.java:1157)
at com.example.myproject.OutputBufferFilter.doFilter(OutputBufferFilter.java:33)
at org.mortbay.jetty.servlet.ServletHandler\$CachedChain.doFilter(ServletHandler.java:1157)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection\$RequestHandler.content(HttpConnection.java:943)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.jetty.bio.SocketConnector\$Connection.run(SocketConnector.java:228)
at org.mortbay.thread.QueuedThreadPool\$PoolThread.run(QueuedThreadPool.java:582)
Caused by: com.example.myproject.MyProjectServletException
at com.example.myproject.MyServlet.doPost(MyServlet.java:169)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions