Prevent certain words from being used

[Simon_Hill]

I found a solution here:

Check for rude names?!

Do you know of a way to check users do not adopt a rude user name? In my WORDL app, people enter a user name. Inevitably, there appears someone that enters a profanity. In this case, I would like to hide a button that completes the sign-in. It’s straightforward to check for perfect matches. But I would prefer a safer solution, which scans the name to see if it contains a banned text (vs. 1:1 exact match). AAA = AAA is quite straightforward AAA contains AAA is the challenge My app doesn’t…