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Java input parsing	by dennismv	2007-10-22 18:31:05
You're using Pattern.split wrong	by Talchas	2007-10-22 18:44:13
Yeah, that's what I was thinking, too.	by jdelphiki	2007-10-22 20:03:13
Though I'm not sure that using Pattern/Matcher to get these is the best of all possible solutions. If it's a simple parser, looking only for the basic math operators, using the StringTokenizer or indexOf to find the operator and break apart the string would be simpler and would run less risk of coming across a scenario that breaks the regex pattern. If it's supposed to be a bulletproof math parser, one would need to use some kind of linked list or, better, a recursive tree class to parse the equation. Otherwise, things like parentheses and operator hierarchy come into play and make it too complicated for a basic pattern match.
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