is_us_telephone_number

assert_all_are_us_telephone_numbers

assert_any_are_us_telephone_numbers

<p>See <code><a rd-options="assertive.data.us" href="/link/is_us_telephone_number?package=assertive&version=0.3-6&to=assertive.data.us" data-mini-rdoc="assertive.data.us::is_us_telephone_number">is_us_telephone_number</a></code>.</p>

Lots of predicates (is_* functions) to check the state of your
variables, and assertions (assert_* functions) to throw errors if they
aren't in the right form.

Richard Cotton

assertive

Readable Check Functions to Ensure Code Integrity

is_us_telephone_number function

<p>See <code><a rd-options='assertive.data.us' href='is_us_telephone_number'>is_us_telephone_number</a></code>.</p>

is_us_telephone_number: Is the string a valid US telephone number?

Description

Arguments