What's does m{} do ?

2005-12-27 Thread Mark R . London
What does m{} do, like in the following test?   

body DRUG_DOSAGEm{[\d\.]+ *\$? *(?:[\\/]|per) *d.?o.?s.?e}i




Testing for short message?

2005-12-25 Thread Mark R . London
Has anyone come up with a way to test for short messages?  I.e., I want to 
test for short messages that only include a single URL. Thanks for any help. - 
Mark