stringr (version 0.2)

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

Description

Extract all pieces of a string that match a pattern.

Usage

str_extract_all(string, pattern)

Arguments

string

input character vector

pattern

pattern to look for. See regex for description.

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")