Minimum input characters and checking for existing usernames?

[hikaru]

Check this

Ensuring case sensitive unique usernames with only specific characters

Hey @marcuslate, Here’s one way of doing it: [username] It uses the free Instant Text plugin as this gives immediate feedback to the user, rather than waiting for the delay in a standard input. As much as I hate storing data in multiple places, I think that is really the easiest here, so this solution relies on storing the username in two fields, one for the original display and another that should always be lowercase. If you really don’t want to store two values, you could do the lowercase…