Question

I’m trying to use javascript regex to validate a date input, but it is returning valid dates as invalid. I’m not an expert on regex so I don’t know what is wrong with it:

/^([0-9]d{2})+(\.|-|\/)+([0-9]d{2})+(\.|-|\/)+([0-9]d{4})+$/

I want these date formats to be accepted:

23/04/2001

23-04-2001

23.04.2001

Originally I had this, but it was accepting dates with other characters on the end like 23/04/2001jhsdgf:

/\d{2}(\.|-|\/)\d{2}(\.|-|\/)\d{4}/;

Answer 1

Take your original regex and just add the ^ and $ from your new one to it. Problem solved.

EDIT: Although, really, the (\.|-|\/) is a mess and should be [.\/-] instead.

EDIT 2: That said, if you make the first one ([.\/-]) then you can replace the second one with \1 and then it would require both separators to be the same.