**Note- I will not just be testing at the end of a string-- need to locate particular substrings anywhere in the string
What is the fastest way to check to make sure a string does not contain multiple values. My current method is inefficient and unpythonic:
if string.find('png') ==-1 and sring.find('jpg') ==-1 and string.find('gif') == -1 and string.find('YouTube') == -1:
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