const regex = /(?P<clientIP>[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}), (?P<userName>[^,]+), (?P<timestamp>[[0-9]{2}\/[0-9]{2}\/[0-9]{2}, [0-9]{1,2}:[0-9]{1,2}:[0-9]{1,2}), (?P<serviceInstance>[^,]+), (?P<serverName>[^,]+), (?P<serverIP>[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}), (?P<timeTaken>[^,]+), (?P<clientBytesSent>[^,]+), (?P<serverBytesSent>[^,]+), (?P<serviceStatusCode>[^,]+), (?P<windowsStatusCode>[^,]+), (?P<requestType>[^,]+), (?P<targetOfOperation>[^,]+), (?P<parameters>[^,]+),/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(?P<clientIP>[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}), (?P<userName>[^,]+), (?P<timestamp>[[0-9]{2}\\\/[0-9]{2}\\\/[0-9]{2}, [0-9]{1,2}:[0-9]{1,2}:[0-9]{1,2}), (?P<serviceInstance>[^,]+), (?P<serverName>[^,]+), (?P<serverIP>[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}), (?P<timeTaken>[^,]+), (?P<clientBytesSent>[^,]+), (?P<serverBytesSent>[^,]+), (?P<serviceStatusCode>[^,]+), (?P<windowsStatusCode>[^,]+), (?P<requestType>[^,]+), (?P<targetOfOperation>[^,]+), (?P<parameters>[^,]+),', 'gm')
const str = `----iis logging---
192.168.114.201, -, 03/20/05, 7:55:20, W3SVC2, SERVER, 172.21.13.45, 4502, 163, 3223, 200, 0, GET, /DeptLogo.gif, -,
`;
// 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