Excel function MID
You can used the MID function to extract part of a text string starting from a specified point (of your choice).
Let's try an example:
Cell A2 contains a reference.
We want to extract the number (in the middle) and display it in B2.
To do this, select the MID function from B2.
- In the "Text" field, enter the cell that contains the text string.
- In the "Start_num" field, enter the number of the first character to be extracted, and in the "Num_chars" field, the number of characters to extract (starting from "Start_num"). Click OK.

The function will now return characters 7 through 11:
