corzo,
Welcome to the MrExcel forum.
Based on your example, how about something like this?
Excel 2007
<tbody>
[TD="align: center"]1[/TD]
[TD="align: center"]2[/TD]
[TD="align: right"][/TD]
</tbody>
Sheet1
[TABLE="width: 85%"]
<tbody>[TR]
[TD]
Worksheet Formulas[TABLE="width: 100%"]
<tbody>[TR="bgcolor: #E0E0F0"]
[TH]Cell[/TH]
[TH="align: left"]Formula[/TH]
[/TR]
[TR]
[TH="bgcolor: #E0E0F0"]B1[/TH]
[TD="align: left"]=MID(
A1,FIND("http",A1,1),LEN(A1)-FIND("http",A1,1)+1)[/TD]
[/TR]
[TR]
[TH="bgcolor: #E0E0F0"]A2[/TH]
[TD="align: left"]=MID(
A1,FIND("http",A1,1),LEN(A1)-FIND("http",A1,1)+1)[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[/TR]
</tbody>[/TABLE]