Function

Here is an example of negative lookahead assertion in regular expression using Python: import re strings = ['foo', 'bar', 'baz', 'foo-bar', 'bar-baz', 'baz-foo'] matches = [s for s in strings if re.search('^(?!.*foo)', s)] print(matches) The regular expression ^(?!.*foo) in the above example matches strings that do not contain the pattern...

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Guess My RGB, the little colour guessing game, just got a small update. This update adds a "Mode" link to the footer which can be used to toggle the game between normal mode and expert mode. The expert mode was introduced as a hidden feature five months ago in the previous release. With the current release, the expert mode no longer...

Real Analysis Meeting time: 19:00 UTC on Saturdays and Sundays usually.† Meeting duration: 40 minutes. Meeting link: susam.net/meet Meeting log: click here Reference book: Real Analysis by John M. Howie (2001) Chapter notes: ch01.html Club channel: ...