const regex = /^(?:19|20)\d{2}-(?:0[1-9]|1[0-2])-(?:0[1-9]|[12]\d|3[01])T(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:Z|-0[1-9]|-1\d|-2[0-3]|-00:?(?:0[1-9]|[1-5]\d)|\+[01]\d|\+2[0-3])(?:|:?[0-5]\d)$/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^(?:19|20)\\d{2}-(?:0[1-9]|1[0-2])-(?:0[1-9]|[12]\\d|3[01])T(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:Z|-0[1-9]|-1\\d|-2[0-3]|-00:?(?:0[1-9]|[1-5]\\d)|\\+[01]\\d|\\+2[0-3])(?:|:?[0-5]\\d)$', 'gm')
const str = `2016-04-14T10:10:11+0000
2016-04-14T10:10:11Z
2016-04-14T10:10:11+0100
2016-04-14T10:10:11+01:00
2016-04-14T10:10:11+01
2016-04-14T10:10:11-0000
2016-04-14T10:10:11-00
2016-00-14T10:10:11+0000
2016-13-14T10:10:11+0000
2016-04-00T10:10:11+0000
2016-04-32T10:10:11+0000
2016-04-01T24:10:11+0000
2016-04-01T00:60:11+0000
2016-04-01T00:00:60+0000
2016-04-01T00:00:00+2400
2016-04-01T00:00:00-2400
`;
// 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