(?!666|000|9\d{2})\d{3}(-?)(?!00)\d{2}\1(?!0{4})\d{4}

(?!666|000|9\d{2})\d{3}(-|\s?)(?!00)\d{2}\1(?!0{4})\d{4}

Support the use of spaces as a separator
Support the use of spaces as a separator

Closes #5.