The parser cannot parse rewrite rules defining ()
in a character group.
Example:
rewrite ^/d/([A-Za-z0-9-,():!½$@*°'"—%]+)/([A-Za-z0-9-]+)/([A-Za-z0-9-]+)/([A-Za-z0-9-]+)/?$ /d?displayName=$1&module=$2&id=$3&visibility=$4;
Changing ()
to )(
works around this issue.