Is the Phone Number Formatted Correctly?

Published by kochug in
formattingregexstringsvalidation

Create a method that accepts a string and returns true if it's in the format of a proper phone number and false if it's not. Assume any number between 0-9 (in the appropriate spots) will produce a valid phone number.

This is what a valid phone number looks like:

(123) 456-7890

Examples

isValidPhoneNumber("(123) 456-7890") ➞ true

isValidPhoneNumber("1111)555 2345") ➞ false

isValidPhoneNumber("098) 123 4567") ➞ false

Notes

Don't forget the space after the closing parenthesis.

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