String concatenation in R is done by the paste command.
Seperator (sep) is space by default.
Strings can be split in R using strsplit().
Substrings in R
Substrings in R can be retrieved from existing strings or replace some part of an original string. It can be achieved by substr. The general architecture of substr is:
substr(x, start, stop) where.
Match strings in R
Strings can be matched in R using str_detect(). Before using str_detect, you need to install and load stringr package.
To use str_detect function in R, make sure that you have the stringr package installed and loaded
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