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Re^2: hashes in regexes

by tadman (Prior)
on Mar 29, 2001 at 04:12 UTC ( #68010=note: print w/replies, xml ) Need Help??


in reply to Re: hashes in regexes
in thread hashes in regexes

I'm not sure about the application, but it might be advisable to at least put in some '\b's to prevent unfortunate collisions that would render some names as "Mikestone", or "Moeseph".

Here is a slight modification of japhy's (or merlyn's, you decide) code:
$keys = join '|', map "\\b\Q$_\E\\b", keys %sub_hash; $keys_REx = qr/$keys/; $string =~ s/($keys_REx)/$sub_hash{$1}/g;

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[stevieb]: agreed. That's why I said at least a half-dozen. If enough of the different formats are present, the date/time folk may not have to request more. If they do, then at least there was a decent base to start with
[stevieb]: I do date and time transformations in both Perl and Python, but not frequently enough to not have to search for the format params etc ;)

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