Is it “a-must” to trim all whitespaces in POST/GET vars?

Y

ywusernameo32

New Member
IMHO,I heard about this few times lately.On some web portals I saw when whitespace in the beginning of the keywords, returns empty search result, without whitespaces it's working.Are there some cases when this can be harmful?Can somebody give an arguments for this kind of practice?
 
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