chk (version 0.4.0)

chk_match: Check Matches

Description

Checks if all values match regular expression using

all(grepl(regexp, x[!is.na(x)]))

Usage

chk_match(x, regexp = ".+", x_name = NULL)
vld_match(x, regexp = ".+")

Arguments

x

The object to check.

regexp

A string of a regular expression.

x_name

A string of the name of object x or NULL.

Value

The chk_ function throws an informative error if the test fails.

The vld_ function returns a flag indicating whether the test was met.

Functions

• vld_match: Validate Matches

See Also

Other chk_misc: chk_named(), chk_not_any_na(), chk_not_empty(), chk_sorted(), chk_unique()

Examples

# NOT RUN {
# chk_match
chk_match("1")
try(chk_match("1", regexp = "2"))
# vld_match
vld_match("1")
vld_match("a", regexp = "a")
vld_match("")
vld_match("1", regexp = "2")
vld_match(NA_character_, regexp = ".*")
# }