like: Binary operators for regexp string comparisons.

In stevetnz/stevesRfunctions: My Collection of Miscellaneous R Functions

Description

Inspired by the "like" operator in SQL, these binary operators are a convenient way of using grepl.

Usage

x %like% y

x %Like% y

x %unlike% y

x %Unlike% y

Arguments

x	character vector to search
y	regular expression

Functions

• %like%: find matching values, ignoring case.

• %Like%: case-sensitive matching.

• %unlike%: finds non-matching values, ignoring case.

• %Unlike%: finds non-matching values and is case-sensitive.

See Also

grepvi

Examples

lets = c(letters, LETTERS)
lets[lets %like% '[aeiou]']
lets[lets %Like% '[aeiou]']
lets[lets %unlike% '[aeiou]']
lets[lets %Unlike% '[aeiou]']

stevetnz/stevesRfunctions documentation built on May 28, 2019, 8:21 a.m.