regex - regular expression find strings with certain pattern in R -


i have strings here , are:

12abc3, 2abc45, abc 56, uhyabc, regexp ...

the objective long there 'abc' in string (not 'bca' or 'bac') should return true when using 'grepl'

so output should be

true, true, true, true, false

can me this?

thanks in advance

you want use fixed = true in call grepl.

> x <- c("12abc3", "2abc45", "abc 56", "uhyabc", "regexp", "bca", "cab") > grepl("abc", x, fixed = true) # [1]  true  true  true  true false false false

the fixed argument definition is

logical. if true, pattern string matched is. overrides conflicting arguments.


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