R - trim strings with trimws()

25 Dec 2018

Use of trimws for trimming character vectors:

### Remove all leading and trailing whitespaces
trimws(" This has trailing spaces.  ")
# [1] "This has trailing spaces."

### Remove leading whitespaces
trimws(" This has trailing spaces.  ", which = "left")
# [1] "This has trailing spaces.  "

### Remove trailing whitespaces
trimws(" This has trailing spaces.  ", which = "right")
# [1] " This has trailing spaces."

See also strtrim to trim character strings to specified display widths.

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