parenRE: Parenthetical Regular Expression

In maptracker/dynamictable: Create Simple HTML Pages from Tabular R Data Structures

Description

Simplifies parenthetical extraction of matches from regular expressions

Usage

parenRE(RegExp, text)

Arguments

RegExp	The regular expression, presumably with one or more parenthetical components
text	The string to match. NOT vectorized

Value

If no matches found NA; Otherwise a character vector with one element per parenthetical capture

Examples

parenRE("(quick|lazy)\\b.+(fox|DOG)", "Quick brown fox")
## Word boundary (\b) prevents matching to "quickest":
parenRE("(quick|lazy)\\b.+(fox|DOG)", "Quickest brown fox")

maptracker/dynamictable documentation built on May 21, 2019, 11:27 a.m.