XF 1.5 Regex expression Arabic letters

[Fethi.dz]

Hello,

I was trying to today to test the (User Name Match Regular Expression) option on XF.

My forum is an Arabic one so I was trying to add a regex expression to allow the registration with Arabic letters only,

I used the following:

^[\u0621-\u064A]+$

Ref: https://en.wikipedia.org/wiki/Arabic_script_in_Unicode

I trying to register after applying the above expression but I got an error: (A server error occurred. Please try again later.)

Is the Unicode expressions not supported by XF1.5.x or there is an error in my code.

Appreciate you help guys.

 

[Mike]

So there are actually 2 problems here. First, \u isn't supported in PCRE unless it runs in JavaScript mode and this isn't exposed to PHP. In non-JS mode, you need \x{0621}. Second, this regex isn't actually running in UTF-8 mode. However, you can change that in the pattern itself.

As such, I believe this should work

(*UTF8)^[\x{0621}-\x{064A}]+$

Assuming your server supports Unicode character properties, this should work too and be more readable:

(*UTF8)^\p{Arabic}+$

 

[Fethi.dz]

Thanks @Mike I will give a try to what you suggest and hope it will work.