regextr: regextr: Substring Extraction By Regular Expression

In mwrowe/microRutils: Mike Rowe's Miscellaneous R Utility Functions

Description

Extract substring(s) that match a regular expression in a character vector

Usage

regextr(pattern, x, L.trim = 0, R.trim = 0, ...)

Arguments

pattern	character string specifying regular expression to be matched
x	string or character vector of strings to be searched
L.trim	integer; number of characters to strip from the start of the matched substring
R.trim	integer; number of characters to strip from the end of the matched substring
...	other arguments passed to regexpr()

Value

matched: a character vector the same length as x containing substrings of that match the pattern. Only the first match found is returned. If no match is found, an empty string ("") is returned in that element.

Author(s)

M.W.Rowe, [e-mail]

mwrowe/microRutils documentation built on June 12, 2021, 2:41 p.m.