Transform the date from toLocaleString to a different Date format

Question

Transform the date from toLocaleString to a different Date format

I am currently dealing with a situation where I need to convert a date format using the toLocaleString method.

const localDate = proDate.toLocaleString("en-GB").replace(/,/g, "");

In this case, proDate refers to a new Date(someDate) object.

Later in my code, I face the challenge of converting localDate back to the new Date() format.

Although I attempted to use new Date(localDate), it resulted in an invalid date error.

The current format of localDate is 18/03/2023 08:45:47.

In my code, I do not have direct access to proDate when trying to perform the conversion on localDate.

Is there any alternate solution or workaround for this issue?

javascript date datetime

Answer 1

Answer №1

If you're familiar with the format, using a regular expression to parse it is a viable option.

const localDate = new Date().toLocaleString("en-GB").replace(/,/g, "");
console.log(localDate);
const [, day, month, year, hours, minutes, seconds] = localDate.match(/(\d{2})\/(\d{2})\/(\d{4}) (\d{2}):(\d{2}):(\d{2})/);
const date = new Date(year, month - 1, day, hours, minutes, seconds)
console.log(date);

Another approach, as recommended by RobG, is to simply match consecutive digits:

const localDate = new Date().toLocaleString("en-GB").replace(/,/g, "");
const [day, month, year, hours, minutes, seconds] = localDate.match(/\d+/g);
const date = new Date(year, month - 1, day, hours, minutes, seconds)
console.log(date);

Answer 2

If you're familiar with the format, using a regular expression to parse it is a viable option.

const localDate = new Date().toLocaleString("en-GB").replace(/,/g, "");
console.log(localDate);
const [, day, month, year, hours, minutes, seconds] = localDate.match(/(\d{2})\/(\d{2})\/(\d{4}) (\d{2}):(\d{2}):(\d{2})/);
const date = new Date(year, month - 1, day, hours, minutes, seconds)
console.log(date);

Another approach, as recommended by RobG, is to simply match consecutive digits:

const localDate = new Date().toLocaleString("en-GB").replace(/,/g, "");
const [day, month, year, hours, minutes, seconds] = localDate.match(/\d+/g);
const date = new Date(year, month - 1, day, hours, minutes, seconds)
console.log(date);

Transform the date from toLocaleString to a different Date format

Answer №1

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