check_pattern: Check Pattern

Description Usage Arguments Value See Also

Description

Checks whether all or some of the elements of x match pattern using grepl.

Usage

1
2
check_pattern(x, pattern, all = TRUE, x_name = substitute(x),
  error = TRUE)

Arguments

x

The object to check.

pattern

A string of the regular expression.

all

A flag indicating whether all or some of the element must match pattern.

x_name

A string of the name of the object.

error

A flag indicating whether to throw an informative error or immediately generate an informative message if the check fails.

Value

An invisible copy of x (if it doesn't throw an error).

See Also

check_nchar and check_regex


checkr documentation built on May 1, 2019, 6:59 p.m.