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Thread: advanced regular expressions
- 06-04-2011, 04:33 PM #1Member
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advanced regular expressions
Excuse me if this question has already been asked, i searched but could not find it.
What i need to do is use regular expressions to parse text that contains a location, such as "Las Vegas, Nevada, USA". However, I need the regular expression to look like "<city>, <state>, <country>" since there can be many values for cities, states, and countries. This is a textbook example for the java.util.regex.Pattern and java.util.regex.Matcher classes except for the fact I don't want to write a regular expression such as "Las Vegas|San Francisco|New York|.....". There are many cities, states, and countries in the world. I need to be able to customize it such as whenever the Pattern class sees the text "<city>", it should match against a particular list of valid values.
This may be solvable with a framework like ANTLR, but I'm wondering whether it can be done using plain Java.
For regular expressions to work, the data must be regular, must have a definable pattern. Do you know of any patterns that define your data and are never broken?
- 06-04-2011, 06:11 PM #3
- 06-04-2011, 06:30 PM #5I have the stamina of a seal; I lie on the beach instead of running on it.
- 06-04-2011, 07:59 PM #7
Your mother was a hamster and your father smelt like elderberries.
</very intelligent reply>
<corollary to very intelligent reply>
:-P :-P :-P
</corollary to very intelligent reply>
Jos (<-- loves intellectual discussions ;-)I have the stamina of a seal; I lie on the beach instead of running on it.
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