What is the simplest method to "tag" start and end rows of data in my csv for easy parsing through matlab?

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matlabuser12
matlabuser12 on 28 Jul 2015
Commented: matlabuser12 on 30 Jul 2015
I collect data with an NI Daq and then read in the csv to matlab for processing. the csv has ~10columns and the last column has string statements that say data 1 start...blank cells... data 1 end, data 2 start...blank cells.... data 2 end, etc. And I do a strfind to locate that string row and subsequently the data row in the adjacent columns. Is this the best way to go about this? my csv has about 40000 rows and any number of data start/end markers so I want a simple system to locate these and divide up those 40000 rows into variables for processing.

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