Regular Expressions using regexp

I have a cell array of strings a = {'-2.4,-3';'2,3';'0,5';'-4,-2.5';'A';'V';'C'}

Now I want to list those strings which have a "comma".

Answer 1

[Azzi Abdelmalek]

a={'-2.4,-3';'2,3';'0,5';'-4,-2.5';'A';'V';'C'}
out=a(cellfun(@(x) ~isempty(strfind(x,',')),a))

Answer 2

[Walter Roberson]

regexp(a, '.*,.*', 'match')