ISPHONE

Checks whether a string is a valid phone number.

Syntax

ISPHONE(text, [locale], [options])

Arguments

• text: The phone number string to test.
• locale (optional): Locale code (e.g., "en-US", "any"). Defaults to "any".
• options (optional): Object with settings such as { strictMode: true }.

Example

ISPHONE("202-555-0187", "en-US") → TRUE
ISPHONE("12345", "en-US") → FALSE