Why the regexp returns wrong result?
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Hi,
I use who function and '-regexp' to help me sort data that matches my criteria.
dataList = who(subBatchData,'-regexp','^X.*2');
It works well in other data. While in this data, it returns wrong result. And in the same batch, using '^X.*4'/ '^X.*8' can also get correct results.
So, why it returns wrong answer?
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Having lots of numbered variable names is usually a sign that something is going wrong:
The MATLAB documentation states "Avoid functions that query the state of MATLAB such as inputname, which, whos, exist(var), and dbstack. Run-time introspection is computationally expensive."
The most important question is: how did you get all of those variables into the workspace? There is probably a more robust and more efficient approach to processing this data.
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