Strings are text data wrapped in quotes. R has tons of built-in functions and packages (like stringr) to handle strings easily.
stringr package for more powerful string operations like str_detect(), str_replace(), and str_split().
nchar() — count characters in a stringtoupper() / tolower() — change casesubstr() — get a substringgsub() / sub() — replace patternspaste() / paste0() — concatenate strings