Here's my go: 
# assuming $_ has the string
#234567890123456 => 16 characters
/\d/*/^[\d.-]+$/

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Update: 
#23456789012345678 => 18 characters
/\d/*/^([\d.-]+)$/

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It'll return true, and if it does, $1 will have the untainted text.
_____________________________________________________
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:??;

In reply to Re: Golf this reg ex by japhy
in thread Golf this reg ex by bradcathey

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