regex date format yyyy-mm-dd code example
Example 1: js date format yyyy-mm-dd
yourDate.toISOString().split('T')[0]Example 2: use regex to make sure it is a date
^[0-3]?[0-9]/[0-3]?[0-9]/(?:[0-9]{2})?[0-9]{2}$yourDate.toISOString().split('T')[0]^[0-3]?[0-9]/[0-3]?[0-9]/(?:[0-9]{2})?[0-9]{2}$