This version is old school.
Please find jQuery plugins on npm.
jQuery Alphanum
by Kevin Sheedy
Restrict what characters that may be entered into text fields. Supports alphanumeric, alphabetic or numeric. Easy to use. Fully customisable. Cross Browser compatible.
Versions
Version
Date
Feb 05, 2014
Jan 21, 2014
Nov 20, 2013
Sep 10, 2013
Sep 09, 2013
Sep 09, 2013
Jun 29, 2013
May 22, 2013
May 16, 2013
May 14, 2013
1.0.7
May 13, 2013
May 13, 2013
May 08, 2013
May 08, 2013
May 03, 2013
Apr 15, 2013
Mar 25, 2013
Feb 19, 2013
Feb 19, 2013