THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
http://tlc.perlarchive.com/articles/perl/pm0001_perlretut.shtml
*For a an extremely useful Regex tester, see http://weitz.de/regex-coach/*
http://www.visibone.com/regular-expressions/ - quick reference
Examples
Feel free to add some useful examples ...