Convert String from Uppercase to Lowercase in R programming – tolower() method Last Updated : 10 May, 2020 Improve Improve Like Article Like Save Share Report tolower() method in R programming is used to convert the uppercase letters of string to lowercase string. Syntax: tolower(s) Return: Returns the lowercase string. Example 1: # R program to convert string # from uppercase to lowercase gfg <- "GeEks FoR GeeKs" # Using tolower() method answer <- tolower(gfg) print(answer) Output: [1] "geeks for geeks" Example 2: # R program to convert string # from uppercase to lowercase # Given String gfg <- "The QuiCk bRown FoX jUmpS oVer tHe LaZy dOG" # Using tolower() method answer <- tolower(gfg) print(answer) Output: [1] "the quick brown fox jumps over the lazy dog" Like Article Suggest improvement Previous Managing Secrets and Auth Details in R Language Next Concatenate Two Strings in R programming - paste() method Share your thoughts in the comments Add Your Comment Please Login to comment...