Sailesh Kumar Balakrishnan Chandrasekaran Jonathan S. Turner George Varghese Curing regular expressions matching algorithms from insomnia, amnesia, and acalculia. 155-164 2007 conf/ancs/2007 ANCS http://doi.acm.org/10.1145/1323548.1323574 db/conf/ancs/ancs2007.html#KumarCTV07