What is the regular expression for Date format dd\mm\yyyy?

Question

What is the regular expression for Date format dd\mm\yyyy? I am unable to find out regex for this format?

Answer 1

regex for pattern dd/mm/yyyy

    String regex = "^([0-2][0-9]||3[0-1])/(0[0-9]||1[0-2])/([0-9][0-9])?[0-9][0-9]$";