Replace stop words (remove words from a string)

Gary Herron gherron at islandtraining.com
Thu Jan 17 09:47:13 CET 2008


Karthik wrote:
> How about -
>
> for s in stoplist:
> 	string.replace(mystr, s, "")
>   
That will work, but the string module is long outdated.  Better to use
string methods:

for s in stoplist:
    mystr.replace(s, "")

Gary Herron


> Hope this should work. 
>
> -----Original Message-----
> From: python-list-bounces+karthik3186=gmail.com at python.org
> [mailto:python-list-bounces+karthik3186=gmail.com at python.org] On Behalf Of
> BerlinBrown
> Sent: Thursday, January 17, 2008 1:55 PM
> To: python-list at python.org
> Subject: Replace stop words (remove words from a string)
>
> if I have an array of "stop" words, and I want to replace those values
> with something else; in a string, how would I go about doing this.  I
> have this code that splits the string and then does a difference but I
> think there is an easier approach:
>
> E.g.
>
> mystr =
> kljsldkfjksjdfjsdjflkdjslkf[BAD]Kkjkkkkjkkjk[BAD]LSKJFKSFJKSJF;L[BAD2]kjsldf
> sd;
>
> if I have an array stop_list = [ "[BAD]", "[BAD2]" ]
>
> I want to replace the values in that list with a zero length string.
>
> I had this before, but I don't want to use this approach; I don't want
> to use the split.
>
> line_list = line.lower().split()
> res = list(set(keywords_list).difference(set(ENTITY_IGNORE_LIST)))
>
>
>   




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