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Re: Using Look-ahead and Look-behindby joewong (Initiate) |
on Nov 12, 2007 at 03:34 UTC ( [id://650210]=note: print w/replies, xml ) | Need Help?? |
Referring to the paragraph "Matching a pattern that doesn't include another pattern", I wonder why ?: is necessary. It seems to be working for me even without ?:. Please explain. thanks.
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