# Extracting text from a cell

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joseph Frank on 24 Jul 2013
A='00003H102'
How can I write a code to extract the first 6 letters and numbers. i.e. I want B='00003H';
##### 1 CommentShowHide None
Jan on 24 Jul 2013
Edited: Jan on 24 Jul 2013
@joseph: From the comments later on we see, that your data are not A='00003H102', but that you talk of a cell string. Please care for posting the real input data, because posting wrong answers for wrong inputs wastes your and our time. Thanks.
What is the wanted result, when the string has less than 6 characters?

Azzi Abdelmalek on 24 Jul 2013
Edited: Azzi Abdelmalek on 24 Jul 2013
A='00003H102'
A(1:6)
If you have a cell array
A={'00003H102','00003H103','00003H104'}
B=cellfun(@(x) x(1:6),A,'un',0)
Azzi Abdelmalek on 24 Jul 2013
A={'00003H102','00003H103','00003H104','00003'}
idx=cellfun(@(x) min(numel(x),6),A,'un',0)
B=cellfun(@(x,y) x(1:y),A,idx,'un',0)

Azzi Abdelmalek on 24 Jul 2013
A={'00003H102','00003H103','00003H104','00003' []}
B=cellfun(@(x) x(1:min(numel(x),6)),A,'un',0)

Andrei Bobrov on 24 Jul 2013
Edited: Andrei Bobrov on 24 Jul 2013
B = regexp(A,'^.{0,6}','match')
B = cat(1,B{:});

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