const regex = /(?<FieldA>WARN)\s+\[(?<FieldB>[^\]]*)\]\s+\[(?<FieldC>[^\]]*)\]\s+(?<FieldD>log)\s(?<FieldE>\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2}.\d{3})\s(?<FieldF>.*):\s+(?<MessageText>.*)$/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(?<FieldA>WARN)\\s+\\[(?<FieldB>[^\\]]*)\\]\\s+\\[(?<FieldC>[^\\]]*)\\]\\s+(?<FieldD>log)\\s(?<FieldE>\\d{4}-\\d{2}-\\d{2}\\s\\d{2}:\\d{2}:\\d{2}.\\d{3})\\s(?<FieldF>.*):\\s+(?<MessageText>.*)$', 'gm')
const str = `2014-05-11 18:24:05,957 WARN [Logger@9233091 3.3.1/389] [Coherence] log 2014-05-11 18:24:05.957 Oracle Coherence GE 3.3.1/389 (thread=PacketPublisher, member=2): A potential communication problem ...the same cluster member (Member(Id=1, Timestamp=2014-05-11 18:17:48.519, Address=xxx.xxx.xxx.x:8090, MachineId=12345, Location=process:1234@CONFLUENCE01)) to this member (Member(Id=2, Timestamp=2014-05-11 18:23:16.19, Address=xxx.xxx.xxx.x:8090, MachineId=67891, Location=process:1234@CONFLUENCE02)) as recently as 0 ... and unreasonably lengthy GC times.
2014-05-11 18:13:49,218 WARN [Logger@9226875 3.3.1/389] [Coherence] log 2014-05-11 18:13:49.218 Oracle Coherence GE 3.3.1/389 (thread=PacketPublisher, member=2): Timeout while delivering a packet; the member appears to be alive, but exhibits long periods of unresponsiveness; removing Member(Id=1, Timestamp=2014-05-11 18:09:52.641, Address=xxx.xxx.xxx.x:8090, MachineId=41352, Location=process:1234@CONFLUENCE01)
2014-05-11 18:13:49,249 INFO [Cluster:EventDispatcher] [confluence.cluster.coherence.TangosolClusterManager] memberLeft Member has left cluster: Member(Id=1, Timestamp=2014-05-11 18:13:49.218, Address=xxx.xxx.xxx.x:8090, MachineId=12345, Location=process:1234@CONFLUENCE01)
2014-05-11 18:13:49,436 WARN [Logger@9226875 3.3.1/389] [Coherence] log 2014-05-11 18:13:49.436 Oracle Coherence GE 3.3.1/389 (thread=Cluster, member=2): The member formerly known as Member(Id=1, Timestamp=2014-05-11 18:13:49.218, Address=xxx.xxx.xxx.x:8090, MachineId=12345, Location=process:1234@CONFLUENCE01) has been forcefully evicted from the cluster, but continues to emit a cluster heartbeat; henceforth, the member will be shunned and its messages will be ignored.`;
// 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