5 ms·

Essential, but inexplicably strips non alphanumerics.

• developer2 10y ago
  Not so much inexplicably. This is common to nearly every indexing system intended to support text search. You won't see punctuation characters being indexed by most systems. Tokenization, lexeme normalization, and all that. It does make certain searches nearly impossible to perform, but the case is rare enough that the average person - even amongst developers - doesn't get stuck all that often.
• yaur 10y ago
  Just tried this with "c++" and the results look like it searched for c++ and not c.