R: Create Regular Expressions Easily

# Create Regular Expressions Easily

## Documentation for package ‘RVerbalExpressions’ version 0.1.1

- DESCRIPTION file
- User guides, package vignettes and other documentation
- Package NEWS
- Package README

## Help Pages

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