MATLAB: How to remove lines that starts either : and # using regexp

Question

I am interested only to screen rows that starts with number or skip those rows that starts with : and # Any idea ?

Answer 1

filecontent = fileread('NameOfTheFile.txt');
newcontent = regexprep(filecontent, '^[#:].$', '', 'lineanchors', 'dotexceptnewline');

You can use textscan() on the string newcontent:

numcols = 18
fmt = repmat('%g', 1, numcols);
datacell = textscan(newcontent, fmt, 'CollectOutput', 1);
data = datacell{1};