const regex = /^(?<day>0[1-9]|1\d|2[1-8]|29(?=-\d{2}-(?!1[26]00|2[048]00)\d{2}(?:[02468][048]|[13579][26]))|30(?!-02)|31(?=-0[13578]|-1[02]))-(?<month>0[1-9]|1[0-2])-(?<year>[12]\d{3}) (?<hour>[01]\d|2[0-3]):(?<minute>[0-5]\d):(?<second>[0-5]\d)$/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^(?<day>0[1-9]|1\\d|2[1-8]|29(?=-\\d{2}-(?!1[26]00|2[048]00)\\d{2}(?:[02468][048]|[13579][26]))|30(?!-02)|31(?=-0[13578]|-1[02]))-(?<month>0[1-9]|1[0-2])-(?<year>[12]\\d{3}) (?<hour>[01]\\d|2[0-3]):(?<minute>[0-5]\\d):(?<second>[0-5]\\d)$', 'gm')
const str = `29-02-1600 15:11:45
29-02-1604 23:59:59
29-02-2001 15:11:45
31-01-2000 00:00:00
30-02-2000 15:11:45
29-02-2004 15:11:45
31-02-2000 15:11:45
31-12-2000 15:11:45
31-06-2000 15:11:45
15-02-2000 15:11:45
29-02-2002 15:11:45
02-02-2000 15:11:45
29-02-2000 15:11:45
28-02-2000 15:11:45`;
// 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