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| /** Format: DD-MM-2YYY HH:MM **/ | |
| const isDateValid = (value) => { | |
| const isSpellingValid = (value) => { | |
| /** Only for dates older than 2000 **/ | |
| const regExpString = /([012][0-9]|3[0-1])\.(0[1-9]|1[0-2])\.2([0-9]{3}) (0[0-9]|1[0-9]|2[0-3]):([0-5][0-9])/; | |
| let matchResult = value.match(regExpString); | |
| return matchResult[0] === matchResult.input; | |
| }; | |
| const isDateStringValid = (value) => { | |
| const arr = value.split(" "); | |
| const d = arr[0].split("."); | |
| const validDateString = [d[2], d[1], d[0]].join("-") + " " + arr[1]; | |
| return new Date(validDateString).toString() !== "Invalid Date" | |
| }; | |
| let result = false; | |
| /** It is necessary to check the spelling so that no mistakes can occur when assembling the date-string. **/ | |
| if (isSpellingValid(value)) { | |
| if (isDateStringValid(value)) { | |
| result = true; | |
| } | |
| } | |
| return result; | |
| }; |
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