Its kind of a homework assignment. I have, for example, the following list of cities with inhabitants. If I insert this into an Edit field, it should give the integers back. I have no idea how to do this, so I started this subject.
Shanghai 24,256,800 Municipality 6,340.5 3,826 China
Beijing 21,516,000 Municipality 16,410.54 1,311 China
Delhi 16,787,941 Union territory 1,484 11,313 India
Lagos 16,060,303 Metropolitan City 1,171.2 813,712 Nigeria
Tianjin 15,200,000 Municipality 11,760 1,293 China
Karachi 14,910,352 Metropolitan Corporation 3,527 4,572 Pakistan
Istanbul 14,160,467 Metropolitan Municipality 5,461 2,593 Turkey