# Based on test program submitted by:

# Date: Sun, 7 Sep 2003 23:11:51 +0200

# From: Michael Mauch <michael.mauch@gmx.de>

# To: bug-gawk@gnu.org

# Subject: Internal error in gawk-3.1.3 with character class

BEGIN {

	IGNORECASE = 1

	if ("a" ~ /[[:alnum:]]/)

		print "OK"

	else

		print "NOT OK"

}