I am trying to have a field where a user will enter a string like this:
GM - 123 - 12345
So, 2 char then a dash then 3 int then a dash then 5 int
I want the user to just enter GM12312345 and have it automatically format. I assume I can use a regular expression so I tried this and it didn't work:
constraint="regex(.,\A[a-zA-Z]{2}-\d{3}-\d{5}\z"/>
Any ideas?
Thanks in advance!