Answering my own question, probably most (all?) faster algorithms seem to need memory proportional to the size of the alphabet, which is kind of huge for Unicode, so that could be the reason.
2009/4/28 Jim Andreou <[email protected]> > Hi, > I wonder why String#indexOf(String) is implemented as it is. Apparently, > when a character mismatch with the searched pattern is found, the pattern is > only shifted by one character, but there are faster algorithms, for example > see > http://www.cs.utexas.edu/users/moore/best-ideas/string-searching/index.html. > Was anything smarter tried out but had significant disadvantages for general > use? What advantages does the current implementation have? It looks very > pessimistic. > > Regards, > Dimitris Andreou >
