How can I trim leading and trailing white space?

How can I trim leading and trailing white space?

r whitespace trim removing-whitespace r-faq

r

Split a string vector at whitespace

r string vector split whitespace

r

Removing Whitespace From a Whole Data Frame in R

r replace whitespace gsub

r

shiny fluidrow column white space

r shiny whitespace

r

How to get rid of whitespace in a ggplot2 plot?

r ggplot2 whitespace

r