PolicyRequirementRule attribute "valve"

[Christopher Bongaarts]

On 9/12/2013 12:53 PM, Tom Poage wrote:
> So a pattern used by Matcher.matches() is indeed implicitly anchored so, as pointed out, "." matches a string containing only a single character, and ".+" does the trick.
>
> Sometimes regular expressions aren't so regular.;-)

This is something that confused me when I first bumped into it, because 
I was assuming Perl/sed/awk semantics for regex ("match anywhere") 
instead of Java semantics ("match whole string").

Rather than add that to all the regex pages on the wiki, maybe it would 
be good to just remove the explicit anchors from the examples.

-- 
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