Use a more powerful regex to prevent multiple escaping; #509
Use a more powerful regex to prevent multiple escaping; #509

DMOJ/site,Minkov/site,monouno/site,DMOJ/site,Minkov/site,Minkov/site,Minkov/site,DMOJ/site,monouno/site,monouno/site,monouno/site,Phoenix1369/site,DMOJ/site,Phoenix1369/site,Phoenix1369/site,monouno/site,Phoenix1369/site