r - remove rows of data based on one of any criteria -


i'm trying create association rules aprori algorithm between different error messages. there several errors not want consider, want remove rows contain these select errors. problem can remove 1 error using code below. 

mydata <-data[!(data$message=="errormessageone") ,]

is there "or" operator can integrated in order remove lines containing of 12 or errors want exclude data.

something following. 

mydata <-data[!(data$errormessage=="errormessageone or errormessagetwo or errormessagethree") ,]

i know basic question has got me stumped.

you can try: 

mydata <-data[!data$errormessage %in% c("errormessageone","errormessagetwo", "errormessagethree"),]

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