is_url: Checks whether the variable is a valid URL

In msgr: Extends Messages, Warnings and Errors by Adding Levels and Log Files

Description

Checks whether the variable is a valid URL

Usage

is_url(x)

Arguments

x	(any) The object to test

Value

TRUE if x is a valid URL, FALSE otherwise

Examples

is_url("http://something.com")
is_url("https://google.com")

is_url(1)
is_url("foo")
is_url(NA)

msgr documentation built on Dec. 16, 2019, 5:41 p.m.