Advice on how to validate names and surnames using regex

Question

I want to validate name and surname for my Ruby on Rails 3 application and so I have posted this question. Someone adviced me to read the Falsehoods Progra

Answer 1

If you have read that article, you have seen that it is not possible to validate a name, with or without regular expressions.

So don't even go there. If people want to call themselves Tarquin Fin-tim-lin-bin-whin-bim-lim-bus-stop-F'tang-F'tang-Olé-Biscuitbarrel (it has happened! see the section "Cultural references"), who are you to deny it to them?