Removing certain lines of text from a cell array

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jgillis16
jgillis16 2015-6-12
评论： Azzi Abdelmalek 2015-6-12
I have a 53218x1 cell named N1. It is a cell consisting of the names of galaxies I have taken from a loaded ASCII catalog. I need to remove galaxies that have the first three letters starting with 'ESO'. There are 5,980 of these lines of code I have to remove. How would I do that? Would a 'for loop' work?
SIDE NOTE: these words all are 1x10 char in N1.

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采纳的回答

Titus Edelhofer
Titus Edelhofer 2015-6-12
Hi,
that should be fairly straight forward:
% find the indices of ESO
idx = strncmp(N1, 'ESO', 3);
% and remove them:
N1(idx) = [];
Titus

更多回答（1 个）

Azzi Abdelmalek
Azzi Abdelmalek 2015-6-12
v={'esoabcd';'abcgd';'ehdf';'esoez'}
out=v(cellfun(@isempty,regexp(v,'(?<=eso).+')))

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