- Code, Content, and Presentation
-- Apache Web Server
---- How to apply combinations in one rule?
- 8:53 pm on Jan 2, 2013
the back references ($1, $2 etc.) would change
Back references look at definitions, not captures. So
should always come through as $1$2$3 even if the content of some captures is null. The tricky part in this one was nesting:
and so on.
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