count number of occurences of character in string?
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Is there a function/method for counting the number of times a specific character occurs in a string? Say
v = '30.44.532.56';
This is obviously nonesense, but I would like to check how many times the decimal point occurs so that I can reject if used with a function I wrote. This value would be input into GUIDE gui I am creating, so this is why it's in string format.
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