Create Regular Expressions Easily

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Documentation for package ‘RVerbalExpressions’ version 0.1.1

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

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