suprisingly, this code doesn't work in previous versions of MATLAB. Looks like things under the mask of regexprep changed. Previous policy was [match1][match2]...[matchN][replace1][replace2]...[replaceN] while now it's more like [match1][replace1]...[matchN][replaceN]
This code works in previous versions of MATLAB, but not in current one. See comment 6791.
Find state names that end with the letter A
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Who knows the last digit of pi?
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