http://www.google.com/support/websearch/bin/answer.py?answer=134479
Generally, punctuation is ignored, including @#$%^&*()=+[]\ and other special characters.By the way, that article has this useful tip:
Search is always case insensitive. A search for [ new york times ] is the same as a search for [ New York Times ].
SymbolHound is the only search engine I know of that doesn't ignore symbols: http://symbolhound.com/
ReplyDeleteIt's a new search engine for programmers that mostly indexes programming-related sites like StackOverflow. It just launched a month ago.
Full disclosure: I am a co-founder and developer of SymbolHound.