mindfulmike

# Accepted formats are 0-3 alpha, 9 digits, and 1-3 alpha-numeric with or without spaces and dashes:
# * AAA-000-00-0000-AAA
#
# http://survivinghealthinsurance.com/post/114021224748/medicare-id-numbers-suffixes-and-prefixes

/^([a-z]{0,3})[-\s]?(\d{3})[-\s]?(\d{2})[-\s]?(\d{4})[-\s]?([0-9a-z]{1,3})$/i

mindfulmike

CSS Layout Debugger

A tweet-sized debugger for visualizing your CSS layouts. Outlines every DOM element on your page a random (valid) CSS hex color.

One-line version to paste in your DevTools

Use $$ if your browser aliases it:

~ 108 byte version