const regex = /((?:[0-9]{1,3}\.){3}[0-9]{1,3})\s((?:[0-9]{1,3}\.){3}[0-9]{1,3})/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('((?:[0-9]{1,3}\\.){3}[0-9]{1,3})\\s((?:[0-9]{1,3}\\.){3}[0-9]{1,3})', 'gm')
const str = `<140>Mar 21 09:50:26 Biblica-M400 80DA036A10A65 (2019-03-21T15:50:26) firewall: msg_id="3000-0148" Allow 60-GUEST WIRELESS 0-External 60 tcp 20 63 172.16.60.35 192.243.232.7 38076 443 offset 10 S 936012176 win 65535 geo_dst="USA" (Outgoing-00)`;
// 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