http://www.google.com/search?q=%22*%20eye%20for%20the%20*%20guy%22

http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&newwindow=1&q=18*10&btnG=Google+Search

All seem normal but when you use

“Search for documents containing the terms 18*10.”

You can see a “+” before the query. Going deeper, I assumed that I could do some mathematical calculi with “-” and “+”. In fact it’s bugged.

http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&newwindow=1&q=-18*10&btnG=Google+Search

http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&newwindow=1&q=%2B18*10

If you change directly the “-” by the “+” on the url it work making “+” a space.

http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&newwindow=1&q=+18*10&btnG=Google+Search

Even with parenthesis it’s bugged.

http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&newwindow=1&q=%28%2B18%29+*+%28-10%29&btnG=Google+Search

http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&newwindow=1&q=%28-18%29+*+%28%2B10%29&btnG=Google+Search

http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&newwindow=1&q=%2818%29+*+%2810%29&btnG=Google+Search

Same result if you change the url directly.

http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&newwindow=1&q=%28-18%29+*+%28-10%29&btnG=Google+Search

P.S: Sorry about my English, in fact I m French, so this post might contain mistakes.

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