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13 lines
626 B
TypeScript
13 lines
626 B
TypeScript
// https://stackoverflow.com/a/14322189/1947205
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// Changes:
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// 1. Do not allow a plus or minus at the start.
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// 2. Enforce that we have a "T" or a blank after the date portion
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// to ensure we have a timestamp and not only a date.
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// 3. Disallow dates based on week number.
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// 4. Disallow dates only consisting of a year.
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// https://regex101.com/r/kc5C14/3
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const regexp =
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/^\d{4}-(0[1-9]|1[0-2])-([12]\d|0[1-9]|3[01])[T| ](((([01]\d|2[0-3])((:?)[0-5]\d)?|24:?00)([.,]\d+(?!:))?)(\8[0-5]\d([.,]\d+)?)?([zZ]|([+-])([01]\d|2[0-3]):?([0-5]\d)?)?)$/;
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export const isTimestamp = (input: string): boolean => regexp.test(input);
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