const regex = /\[\*\*\]\s*\[([0-9]*)\:([0-9]*)\:([0-9]*)\]\s*([A-Za-z0-9\s_\-]*)\[\*\*\]\s*\[Classification\:([\s*A-Za-z]*)\]\s*\[Priority\:([\s*0-9]*)\]\s*([0-9\/\-\:\.]*).\s*([0-9\.\:]*)\s*\s*\-\>\s*([0-9\.\:]*)\s*([A-Z]*)\s*TTL\:([0-9]*)\s*TOS\:([0-9a-z]*)\s*ID\:([0-9]*)\s*IpLen\:([0-9]*)\s*DgmLen\:([0-9]*)\s*/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('\\[\\*\\*\\]\\s*\\[([0-9]*)\\:([0-9]*)\\:([0-9]*)\\]\\s*([A-Za-z0-9\\s_\\-]*)\\[\\*\\*\\]\\s*\\[Classification\\:([\\s*A-Za-z]*)\\]\\s*\\[Priority\\:([\\s*0-9]*)\\]\\s*([0-9\\\/\\-\\:\\.]*).\\s*([0-9\\.\\:]*)\\s*\\s*\\-\\>\\s*([0-9\\.\\:]*)\\s*([A-Z]*)\\s*TTL\\:([0-9]*)\\s*TOS\\:([0-9a-z]*)\\s*ID\\:([0-9]*)\\s*IpLen\\:([0-9]*)\\s*DgmLen\\:([0-9]*)\\s*', 'g')
const str = `[**] [1:2925:3] INFO web bug 0x0 gif attempt [**]
[Classification: Misc activity] [Priority: 3]
11/29-13:47:40.115422 173.193.208.130:80 -> 192.168.89.10:1585
TCP TTL:55 TOS:0x0 ID:26660 IpLen:20 DgmLen:596 DF
***AP*** Seq: 0xC1F5317B Ack: 0x9D29EAE0 Win: 0x4D00 TcpLen: 20
[**] [1:2001664:7] ET P2P Gnutella Connect [**]
[Classification: Potential Corporate Privacy Violation] [Priority: 1]
07/11-10:25:16.767778 192.168.29.10:1069 -> 78.251.240.180:6346
TCP TTL:128 TOS:0x0 ID:555 IpLen:20 DgmLen:230 DF
***AP*** Seq: 0x26D2EC45 Ack: 0xB2CF6DED Win: 0xFFFF TcpLen: 20
[Xref => http://doc.emergingthreats.net/bin/view/Main/2001664][Xref => http://www.gnutella.com]
[**] [1:1917:6] SCAN UPnP service discover attempt [**]
[Classification: Detection of a Network Scan] [Priority: 3]
05/18-05:39:09.470388 192.168.87.10:1037 -> 239.255.255.250:1900
UDP TTL:1 TOS:0x0 ID:367 IpLen:20 DgmLen:161
Len: 133
[**] [1:399:6] ICMP Destination Unreachable Host Unreachable [**]
[Classification: Misc activity] [Priority: 3]
10/04-07:47:30.314309 64.94.0.15 -> 192.168.34.10
ICMP TTL:251 TOS:0x0 ID:3329 IpLen:20 DgmLen:56
Type:3 Code:1 DESTINATION UNREACHABLE: HOST UNREACHABLE
** ORIGINAL DATAGRAM DUMP:
192.168.34.10:1054 -> 86.55.140.203:80
TCP TTL:123 TOS:0x0 ID:288 IpLen:20 DgmLen:48 DF
Seq: 0xB8E82AB7
** END OF DUMP
[**] [1:486:4] ICMP Destination Unreachable Communication with Destination Host is Administratively Prohibited [**]
[Classification: Misc activity] [Priority: 3]
09/03-01:17:27.235233 94.75.225.186 -> 192.168.20.10
ICMP TTL:53 TOS:0x0 ID:61974 IpLen:20 DgmLen:68
Type:3 Code:10 DESTINATION UNREACHABLE: ADMINISTRATIVELY PROHIBITED HOST FILTERED
** ORIGINAL DATAGRAM DUMP:
192.168.20.10:1040 -> 94.75.225.186:80
TCP TTL:111 TOS:0x0 ID:160 IpLen:20 DgmLen:40 DF
Seq: 0xCD429A54
(12 more bytes of original packet)
** END OF DUMP
[**] [1:1917:6] SCAN UPnP service discover attempt [**]
[Classification: Detection of a Network Scan] [Priority: 3]
03/13-15:01:46.813719 192.168.42.10:1033 -> 239.255.255.250:1900
UDP TTL:1 TOS:0x0 ID:349 IpLen:20 DgmLen:161
Len: 133`;
// 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