Add 3-arg err_regex
Add 3-arg err_regex

jmptrader/rethinkdb,mbroadst/rethinkdb,robertjpayne/rethinkdb,catroot/rethinkdb,Qinusty/rethinkdb,JackieXie168/rethinkdb,mbroadst/rethinkdb,Qinusty/rethinkdb,grandquista/rethinkdb,grandquista/rethinkdb,JackieXie168/rethinkdb,grandquista/rethinkdb,bchavez/rethinkdb,grandquista/rethinkdb,eliangidoni/rethinkdb,JackieXie168/rethinkdb,bchavez/rethinkdb,grandquista/rethinkdb,dparnell/rethinkdb,bchavez/rethinkdb,catroot/rethinkdb,dparnell/rethinkdb,Qinusty/rethinkdb,Qinusty/rethinkdb,grandquista/rethinkdb,Qinusty/rethinkdb,catroot/rethinkdb,mbroadst/rethinkdb,bpradipt/rethinkdb,jmptrader/rethinkdb,jmptrader/rethinkdb,dparnell/rethinkdb,eliangidoni/rethinkdb,Qinusty/rethinkdb,bchavez/rethinkdb,JackieXie168/rethinkdb,bchavez/rethinkdb,mbroadst/rethinkdb,catroot/rethinkdb,catroot/rethinkdb,dparnell/rethinkdb,eliangidoni/rethinkdb,mbroadst/rethinkdb,jmptrader/rethinkdb,catroot/rethinkdb,bchavez/rethinkdb,jmptrader/rethinkdb,dparnell/rethinkdb,eliangidoni/rethinkdb,eliangidoni/rethinkdb,grandquista/rethinkdb,jmptrader/rethinkdb,JackieXie168/rethinkdb,bpradipt/rethinkdb,catroot/rethinkdb,mbroadst/rethinkdb,JackieXie168/rethinkdb,JackieXie168/rethinkdb,eliangidoni/rethinkdb,eliangidoni/rethinkdb,eliangidoni/rethinkdb,mbroadst/rethinkdb,robertjpayne/rethinkdb,dparnell/rethinkdb,bchavez/rethinkdb,robertjpayne/rethinkdb,robertjpayne/rethinkdb,robertjpayne/rethinkdb,eliangidoni/rethinkdb,bpradipt/rethinkdb,bchavez/rethinkdb,robertjpayne/rethinkdb,grandquista/rethinkdb,catroot/rethinkdb,jmptrader/rethinkdb,bpradipt/rethinkdb,mbroadst/rethinkdb,grandquista/rethinkdb,mbroadst/rethinkdb,JackieXie168/rethinkdb,Qinusty/rethinkdb,jmptrader/rethinkdb,Qinusty/rethinkdb,bpradipt/rethinkdb,bpradipt/rethinkdb,bpradipt/rethinkdb,bpradipt/rethinkdb,bchavez/rethinkdb,bpradipt/rethinkdb,robertjpayne/rethinkdb,dparnell/rethinkdb,Qinusty/rethinkdb,robertjpayne/rethinkdb,JackieXie168/rethinkdb,dparnell/rethinkdb,dparnell/rethinkdb,robertjpayne/rethinkdb