How to Check if string contains certain characters in R
In this post we will give you information about How to Check if string contains certain characters in R. Hear we will give you detail about How to Check if string contains certain characters in RAnd how to use it also give you demo for it if it is necessary.
To check if a string contains certain characters or not, we can use the grepl() function in R language.
Here is an example that checks the ll characters in the Hello string.
str <- "Hello"chars <- "ll"grepl(chars, str, fixed = TRUE)
Output:
> grepl(chars, str, fixed = TRUE)[1] TRUE
False case
str <- "Hello"chars <- "es"grepl(chars, str, fixed = TRUE)
Output:
> grepl(chars, str, fixed = TRUE)[1] FALSE
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