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As title says, I have a list of words, Like stopWords = ["the", "and", "with", etc...] and I'm receiving text like "Kill the fox and dog". I want the output like "Kill fox dog" very efficiently and fast. How can I do this (I know I can iterate using a for loop, but thats not very efficient)
330
Using String.contains() method for each substring. You can terminate the loop on the first match of the substring, or create a utility function that returns true if the specified string contains any of the substrings from the specified list.
You can use the PHP strpos() function to check whether a string contains a specific word or not. The strpos() function returns the position of the first occurrence of a substring in a string. If the substring is not found it returns false . Also note that string positions start at 0, and not 1.
The easiest way to check if a Python string contains a substring is to use the in operator. The in operator is used to check data structures for membership in Python. It returns a Boolean (either True or False ).
The most imporant improvement is to make stopWords a set. This means the lookups will be very fast
stopWords = set(["the", "and", "with", etc...])
" ".join(word for word in msg.split() if word not in stopWords)
If you just want to know if any of the stopWords are in the text
if any(word in stopWords for word in msg.split()):
...
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