in reply to One-liner (or few-liner) for massaging regexps?

perl -pe 's{ (\d+) }{sprintf " %g ", $1/1000}'

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Jeff[japhy]Pinyan: Perl, regex, and perl hacker, who'd like a job (NYC-area)
s++=END;++y(;-P)}y js++=;shajsj<++y(p-q)}?print:??;