In username – I want to only allow alphanumeric characters and 10 other UTF8 characters that I want. What would be a proper way to do this? Would UTF8 be a problem with preg functions and do I need to use another method?
Thanks
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In username – I want to only allow alphanumeric characters and 10 other UTF8 characters that I want. What would be a proper way to do this? Would UTF8 be a problem with preg functions and do I need to use another method?
Thanks
I recently asked how to make this Just Do The Right Thing, and learned that it’s rather prickly to get everything quite right.
If you can’t get
/\w/uto work right for you on Unicode, it is mostly like/[\pL\pM\p{Nd}\p{Nl}\p{Pc}]/u.