word

0th

Percentile

Extract words from a sentence.

Extract words from a sentence.

Usage
word(string, start = 1L, end = start, sep = fixed(" "))
Arguments
string
input character vector.
start
integer vector giving position of first word to extract. Defaults to first word. If negative, counts backwards from last character.
end
integer vector giving position of last word to extract. Defaults to first word. If negative, counts backwards from last character.
sep
separator between words. Defaults to single space.
Value

  • character vector of words from start to end (inclusive). Will be length of longest input argument.

Aliases
  • word
Examples
sentences <- c("Jane saw a cat", "Jane sat down")
word(sentences, 1)
word(sentences, 2)
word(sentences, -1)
word(sentences, 2, -1)

# Also vectorised over start and end
word(sentences[1], 1:3, -1)
word(sentences[1], 1, 1:4)

# Can define words by other separators
str <- 'abc.def..123.4568.999'
word(str, 1, sep = fixed('..'))
word(str, 2, sep = fixed('..'))
Documentation reproduced from package stringr, version 0.5, License: GPL-2

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