Looking for a Javascript solution to provide validation on a text field

Discussion created by tvymola1 on Dec 6, 2016
Latest reply on Dec 12, 2016 by tvymola1

The text field can only accept entries of 4 letter code (A-Z) entries, accept a minimum of 1 entry, a maximum of 3 entries. Example:


AMTX; CIOH; CLOH is a valid entry