Package: RVerbalExpressions 0.1.1

Tyler Littlefield

RVerbalExpressions: Create Regular Expressions Easily

Build regular expressions using grammar and functionality inspired by <https://github.com/VerbalExpressions>. Usage of the %>% is encouraged to build expressions in a chain-like fashion.

Authors:Tyler Littlefield [aut, cre], Dmytro Perepolkin [ctb]

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manual.pdf |manual.html✨
DESCRIPTION |NEWS
card.svg |card.png
RVerbalExpressions/json (API)

# Install 'RVerbalExpressions' in R:

install.packages('RVerbalExpressions', repos = c('https://verbalexpressions.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/verbalexpressions/rverbalexpressions/issues

On CRAN:

regex regular-expressions verbal-expressions

7.59 score 277 stars 1 packages 93 scripts 337 downloads 38 exports 1 dependencies

Last updated from:23b940a21c. Checks:9 OK. Indexed: yes.

Target	Result	Time
linux-devel-x86_64	OK	119
source / vignettes	OK	187
linux-release-x86_64	OK	105
macos-release-arm64	OK	134
macos-oldrel-arm64	OK	139
windows-devel	OK	107
windows-release	OK	64
windows-oldrel	OK	91
wasm-release	OK	98

Exports:%>%rx rx_alnum rx_alpha rx_any_of rx_anything rx_anything_but rx_avoid_prefix rx_avoid_suffix rx_begin_capture rx_digit rx_either_of rx_end_capture rx_end_of_line rx_find rx_line_break rx_lowercase rx_maybe rx_multiple rx_none_or_more rx_not rx_one_or_more rx_punctuation rx_range rx_seek_prefix rx_seek_suffix rx_something rx_something_but rx_space rx_start_of_line rx_tab rx_uppercase rx_whitespace rx_with_any_case rx_word rx_word_char rx_word_edge sanitize

Dependencies:magrittr

Examples

Rendered fromexamples.Rmdusingknitr::rmarkdown

Last update: 2019-09-21
Started: 2019-03-01

Citation

Development and contributors

Readme and manuals

Help Manual

Help page	Topics
Constructs a Verbal Expression	rx
Match alphanumeric characters.	rx_alnum
Match alphabetic characters.	rx_alpha
Match any of these characters exactly once.	rx_any_of
Match any character(s) any (including zero) number of times.	rx_anything
Match any character(s) except these any (including zero) number of times.	rx_anything_but
Negative lookaround functions	rx_avoid_prefix rx_avoid_suffix
Begin a capture group.	rx_begin_capture
Match a digit (0–9).	rx_digit
Alternatively, match either expression.	rx_either_of
End a capture group.	rx_end_capture
Match the expression only if it appears till the end of the line.	rx_end_of_line
Match an expression.	rx_find
Match a line break.	rx_line_break
Match lower case letters.	rx_lowercase
Optionally match an expression.	rx_maybe
Match the previous group any number of times.	rx_multiple
Match the previous stuff zero or many times.	rx_none_or_more
Ensure that the parameter does not follow.	rx_not
Match the previous stuff one or more times.	rx_one_or_more
Match punctuation characters.	rx_punctuation
Match any character within the range defined by the parameters.	rx_range
Positive lookaround functions	rx_seek_prefix rx_seek_suffix
Match any character(s) at least once.	rx_something
Match any character(s) except these at least once.	rx_something_but
Match a space character.	rx_space
Match the expression only if it appears from beginning of line.	rx_start_of_line
Match a tab character.	rx_tab
Match upper case letters.	rx_uppercase
Match a whitespace character.	rx_whitespace
Control case-insensitive matching.	rx_with_any_case
Match a word.	rx_word
Match a word character.	rx_word_char
Find beginning or end of a word.	rx_word_edge
Escape characters expected special by regex engines	sanitize