Convert string from lowercase to uppercase in R programming – toupper() function

toupper() method in R programming is used to convert the lowercase string to uppercase string.

Syntax: toupper(s)

Return: Returns the uppercase string.

Example 1:

# R program to convert string
# from lowercase to uppercase

# Given String
gfg <- "Geeks For Geeks"

# Using toupper() method
answer <- toupper(gfg)

print(answer)

Output:

[1] "GEEKS FOR GEEKS"

Example 2:

# R program to convert string
# from lowercase to uppercase

# Given String
gfg <- "The quick brown fox jumps over the lazy dog"

# Using toupper() method
answer <- toupper(gfg)

print(answer)

Output:

[1] "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG"