Retrieving (all) information from a cell array when meeting a predefined condition?

I have a cell array a={'100025','31-Jul-07','C';'100025','31-Aug-07','D';'020657','31-May-08','E';'020657','31-Aug-09','A'}; etc... a =

    '100025'    '31-Jul-07'    'C'
    '100025'    '31-Aug-07'    'D'
    '020657'    '31-May-08'    'E'
    '020657'    '31-Aug-09'    'A'

How can I retrieve only information (all rows and columns) for '020657' ? In this case I want to retrive only rows 3 and 4. I tried something from instructions (but that is to find indices): refstring='020657'; index1= find(strcmp(a,refstring)); %I get indices 3 and 4 index2=strcmp(a,refstring); %I get ones for 3 and 4 (other zeros...) but that is not what I want...

Answer 1

[James Tursa]

Using logical indexing:

a(strcmp(a(:,1),refstring),:)

Answer 2

[Aleksandar]

Thank you!