const regex = /\b[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}Z\b(?<flagE>E[A-Z0-9]{1,4} [A-Z][0-9]{6})|(?<flagW>W [A-Z0-9]{1,4})|[A-Z0-9]{1,4}\b/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('\\b[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}Z\\b(?<flagE>E[A-Z0-9]{1,4} [A-Z][0-9]{6})|(?<flagW>W [A-Z0-9]{1,4})|[A-Z0-9]{1,4}\\b', 'gm')
const str = `2014-08-29T06:44:03Z X12 IK 888T
G I5J P9
544T ZUK ONI
E6U5 Z339988 T8 N55
886 W 9ZT T95`;
// 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