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re2r (version 0.2.0)

RE2 Regular Expression

Description

RE2 is a primarily deterministic finite automaton based regular expression engine from Google that is very fast at matching large amounts of text.

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Version

Install

install.packages('re2r')

Monthly Downloads

13

Version

0.2.0

License

BSD_3_clause + file LICENSE

Issues

16

Pull Requests

4

Stars

97

Forks

15

Maintainer

Qin Wenfeng

Last Published

September 4th, 2017

Functions in re2r (0.2.0)

get_pattern

The string specification for this RE2.
get_program_fanout

Get program fanout
get_expression_size

Get pre-compiled regular expression program size
get_named_groups

Return capturing names for a pre-compiled regular expression.
get_number_of_groups

Return the number of capturing subpatterns
get_options

Get options of a pre-compiled regular expression
get_simplify

Simplify pattern strings.
is_re2c_na

Check NA pattern
re2_match

Find matched groups from strings.
re2_replace

Replace matched patterns in a string.
re2_split

Split a string into pieces.
re2_subset

Keep strings matching a pattern.
quote_meta

Escapes all potentially meaningful regexp characters in 'unquoted'.
re2

Create a pre-compiled regular expression
UNANCHORED

Anchors for pattern
$.re2_matrix

Get a match group
re2_extract

Extract matching patterns from a string.
re2_locate

Locate the position of patterns in a string.
print.re2_matrix

Print information about a re2_matrix
print.re2c

Print information about a pre-compiled regular expression
re2_count

Count the number of matches in a string.
re2_detect

Test a pattern in strings, and return boolean.
show_regex

Show regex pattern in a htmlwidget
sub_string

Extract and replace substrings from a character vector.