3
For this there is two steps you need to follow.
1- File userutility.php under class Go line 152
$restriction = '/[^a-zA-Z0-9_-]/';
after Number 9 add space
$restriction = '/[^a-zA-Z0-9 _-]/';
and do same for line 156
$restriction = '/[^a-zA-Z0-9_-<>,.$%#@!\'']/';
after 9 add space
$restriction = '/[^a-zA-Z0-9 _-<>,.$%#@!\'']/';
and line 140 change number 40 to 37
$restriction = '/[00-40]/';
to
$restriction = '/[00-37]/';
2- From the admin Panel Go to
Preferences Main »» User Info Settings
then 'Select the level of strictness for username filtering'
and from the drop down select .
light (recommended for multi-byte chars)
For arabic support to this issue
http://www.arabxoops.com/modules/newbb/viewtopic.php?topic_id=6260&forum=7&post_id=38673#forumpost38673
