stringr (version 0.6.1)

str_extract_all: Extract all pieces of a string that match a pattern.

Description

Vectorised over string. pattern should be a single pattern, i.e. a character vector of length one.

Usage

str_extract_all(string, pattern)

Arguments

string

input vector. This must be an atomic vector, and will be coerced to a character vector

pattern

pattern to look for, as defined by a POSIX regular expression. See the ``Extended Regular Expressions'' section of regex for details. See fixed,

Value

• list of character vectors.

See Also

str_extract to extract the first match

Examples

shopping_list <- c("apples x4", "bag of flour", "bag of sugar", "milk x2")
str_extract_all(shopping_list, "[a-z]+")
str_extract_all(shopping_list, "\\b[a-z]+\\b")
str_extract_all(shopping_list, "\\d")

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