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stringr (version 0.4)

Make it easier to work with strings.

Description

stringr is a set of simple wrappers that make R's string functions more consistent, simpler and easier to use. It does this by ensuring that: function and argument names (and positions) are consistent, all functions deal with NA's and zero length character appropriately, and the output data structures from each function matches the input data structures of other functions.

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Version

Install

install.packages('stringr')

Monthly Downloads

1,157,646

Version

0.4

License

GPL-2

Maintainer

Hadley Wickham

Last Published

August 24th, 2010

Functions in stringr (0.4)

Locate the position of all occurences of a pattern in a string.

The length of a string (in characters).

Switch location of matches to location of non-matches.

Extract substrings from a character vector.

Extract all matched groups from a string.

Locate the position of the first occurence of a pattern in a string.

Replace first occurrence of a matched pattern in a string.

str_extract_all

Extract all pieces of a string that match a pattern.

Detect the presence or absence of a pattern in a string.

Check that stringr is of the correct type for stringr functions...

Ignore case of match.

Duplicate and concatenate strings within a character vector.

str_split_fixed

Split up a string into a fixed number of pieces.

Extract first piece of a string that matches a pattern.

str_replace_all

Replace all occurrences of a matched pattern in a string.

str_sub_replace

Replace substrings in a character vector...

Split up a string into a variable number of pieces.

Join multiple strings into a single string.

Match fixed characters, not regular expression.

Trim whitespace from start and end of string.

Check that pattern is of the correct type for stringr functions...

Extract first matched group from a string.