str.find() always returns -1 if not found.
Can I write an expression instead of str.find() and return None if not found?
str.find() always returns -1 if not found. Can I write an expression instead of
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str.find() always returns -1 if not found.
Can I write an expression instead of str.find() and return None if not found?
If I sum up, you want something which:
Nonewhen not foundThe only solution I could come up with which satisfies all requirements is this weird thing:
For example:
I don’t have a Python 2.4 install to test one, so I can only hope it works.