There is no need for grouping the stuff that you want as output. So try
sayregexp "www[^>"]*" ";" ""
Other "problem" (it works as it should) is explained here:
Regular Expressions
There is no need for grouping the stuff that you want as output. So try
sayregexp "www[^>"]*" ";" ""
Other "problem" (it works as it should) is explained here:
Regular Expressions