Wondering if there's a fast/efficient built-in way to determine if a string has non-ASCII chars outside the range ASCII 32-127, CR, LF, or Tab?
I know I can look at the chars of a string individually and compare them against a set of legal chars using standard Python code (and this works fine), but I will be working with some very large files in the 100's Gb to several Tb size range so I'd thought I'd check to see if there was a built-in in C that might handle this type of check more efficiently. Does this sound like a use case for cython or pypy? Thanks, Malcolm
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