Here is the article that Cameron Laird wrote about Piper: http://www.sunworld.com/sunworldonline/swol-09-2000/f_swol-0915-regex.html For some reason, it is part of an article on Qt scripting. We're in the limelight now. The website is getting lots of hits. Cheers. Jeff -- J.W. Bizzaro jeff at bioinformatics.org Director, Bioinformatics.org: The Open Lab http://bioinformatics.org/~jeff "Injustice anywhere is a threat to justice everywhere." -- Martin Luther King, Jr. --