Help with Visual Basic (Post Leeching Program)

[Sehrawat350]

hi every one

i want to make a post leecher in visual basic...and grab specfic data from a remote site..in BBCODE formet

so i want to know which technology i have to used REGEX or other to grab links , images,etc

My Other Question-
and i also want to know that
Lepo -- leccher made by soft2050
themaposter -- made by freddy

is designed in which application and in which programmimng language.
it is designed in Windows Form Application or Windows Presentation Foundation??