Regex that captures date informed by user, typed in a sentence

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If I have a phrase: "melhor 01/01/2016 - 05/01/2016" How can I retrieve the dates of this phrase using regex? thus: var data1="01/01/2016" , data2="05/01/2016"

javascript regex

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You can do this using the method String.match. You need to pass a regular expression which, when evaluated, will return a array disputes the values that matched the expression passed.

Example:

var regex_date = /(0[1-9]|[1-2]\d{1}|3[01])\/(0[1-9]|1[1-2])\/\d{4}/g

var dates = 'Vamos sair em 04/02/2015 e voltar em 04/05/2015'.match(regex_date)

for (date in dates) {
  document.write(dates[date] + "<br>")

}

  • 1

    Can also be done with the method exec regex: regex_date.exec(texto). The result is the same.

  • Interesting @Pedrocamarajunior, add your answer. Because it’s even better, because instead of calling the string, it can simply reuse the regex

  • I think it looks better as a complement to yours. Reference: Regexp.prototype.exec()

  • I get it. Thank you!

  • I tested here @Pedrocamarajunior, it didn’t work the same way as my example. I was going to put the reference, but it would give wrong information

  • I think it’s yours Regex, he’s grouping wrong (I don’t know exactly where, I’m not very good with regex). I used this /([0-3]{1}[0-9]{1}\/[0-1]{1}[0-9]{1}\/[0-9]{4})/ to test and in both cases brings the same result.

  • @Pedrocamarajunior ah, but then you changed the regex. In my case, the first one worked, so much so that has in the example

  • Yes. Then put a new answer then. :)

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