regex question

[Patrick Tufts]

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In article <roy-835F11.21172620012000 at netnews.nyu.edu>, Roy Smith
<roy at popmail.med.nyu.edu> wrote:

You can simplify the 12-digit hex pattern to

[0-9A-F]\{12\}  

use case-insensitive matching when compiling the regexp to take care of
the "a-f" case.

--Pat