const regex = /^(?<timestamp>\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z) (?<level>\w+) (?<processname>\w+)\[(?<processid>[A-F0-9]+)\] \[(?<originatorid>[\w\d@]+) sub=(?<subsystem>\S+)( opID=(?<operationid>[A-Za-z0-9@\-]+))?\] (?:\[(?<function>\w+)\])?(?<body>.*)$/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^(?<timestamp>\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d{3}Z) (?<level>\\w+) (?<processname>\\w+)\\[(?<processid>[A-F0-9]+)\\] \\[(?<originatorid>[\\w\\d@]+) sub=(?<subsystem>\\S+)( opID=(?<operationid>[A-Za-z0-9@\\-]+))?\\] (?:\\[(?<function>\\w+)\\])?(?<body>.*)$', 'gm')
const str = ``;
// 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