I want to match a number between 2-16, spanning 1 digit to 2 digits.
Regular-Expressions.info has examples for 1 or 2 digit ranges, but not something that spans both:
^([2-9]|1[0-6])$
will match either a single digit between 2 and 9 inclusive, or a 1 followed by a digit between 0 and 6, inclusive.