Remove instances of words following a character in python

Question

I'm trying to preprocess the message data from one StockTwits API, how can I remove all the instances of the $name from the string in python?

For example, if a string is:

$AAPL $TSLA $MSFT are all going up!

The output would be:

are all going up!

Answer 1

This code would do:

>>> s = "$AAPL $TSLA $MSFT are all going up!"

>>> re.sub(r"\$[a-zA-Z0-9]+\s*", "", s)

'are all going up!'

This allows the numbers in a name as well, remove the 0-9 if that's not what you want (it would remove e.g. $15 as well).

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