[wp-trac] [WordPress Trac] #18666: Can't register with Arabic usernames

[WordPress Trac]

#18666: Can't register with Arabic usernames
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 Reporter:  walid3        |       Owner:
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:
Component:  General       |     Version:  3.2.1
 Severity:  normal        |  Resolution:  duplicate
 Keywords:                |
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Comment (by SergeyBiryukov):

 As a workaround, you could probably hook to `sanitize_user` filter and
 create a function to sanitize usernames in your own way.

 See [http://wordpress.org/extend/plugins/allow-cyrillic-usernames/ Allow
 Cyrillic Usernames] plugin for reference. It basically duplicates
 `sanitize_user()` function, adding Cyrillic characters to the regular
 expression.

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Ticket URL: <http://core.trac.wordpress.org/ticket/18666#comment:3>
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