How to show a list of similar user names if the given one is in database already?

Asked May 01 '17 at 17:27

Active May 01 '17 at 17:34

Viewed 43 times

Show a user who is registering, a bunch of usernames similar to what it was entered.

For example:

A new user is registering. During registration, he enters his username "Rudolf", but this name is already in a database.
So, a system should show a list of similar usernames: "Rudolf1", "Rudolf123", "Rud0lf" etc.

What can you suggest to do or to read?

edited Jun 20 '20 at 09:12

Community

asked May 01 '17 at 17:27

Max Yakovenko

You can borrow some ideas from a spell checker algorithm for starters. Here: http://stackoverflow.com/questions/2294915/what-algorithm-gives-suggestions-in-a-spell-checker – Arthur Swails May 01 '17 at 17:31
Thank you for help. This is exactly what I was looking for. – Max Yakovenko May 02 '17 at 11:35

How to show a list of similar user names if the given one is in database already?

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