const regex = /^(?<first>[^\t]+)\t(?<second>[^\t]+)(\t|\t")(?<message>(.*))("\t|\t)\d{8}\t/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^(?<first>[^\\t]+)\\t(?<second>[^\\t]+)(\\t|\\t")(?<message>(.*))("\\t|\\t)\\d{8}\\t', 'gm')
const str = `ABCDEFG 11/21/16 11:14 PM The request channel timed out while waiting for a reply after 00:00:17.9375000. Increase the timeout value passed to the call to Request or increase the SendTimeout value on the Binding. The time allotted to this operation may have been a portion of a long 27332747 HOST12345 5 Function1 12345678901234567890123456
ABCDEFG 11/21/16 11:13 PM The request channel timed out while waiting for a reply after 00:00:18. Increase the timeout value passed to the call to Request or increase the SendTimeout value on the Binding. The time allotted to this operation may have been a portion of a longer timeo 16964220 HOST23456 5 Function2 23456789012345678901234567
ABCDEFG 11/21/16 5:19 PM " " 12345678 HOST23456 5 Function2 23456789012345678901234567
ABCDEFG 11/21/16 5:19 PM " " 12345678 HOST23456 5 Function2 23456789012345678901234567
`;
// 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