[Thu Feb 13 11:01:30 2012] [error] [client 127.0.0.1] Nested quantifiers in regex; marked by <-- HERE in m//..+++ <-- HERE +a.png\\.png/ at dl.pl line 18. [Thu Feb 13 11:01:30 2012] [error] [client 127.0.0.1] Premature end of script headers: dl.pl