How about 1.02e12? If you want to know if it looks like a number to perl, this might be handy:
use Scalar::Util qw(looks_like_number); print "Number" if looks_like_number($number); Scalar::Util is part of the standard library in 5.8.x, I believe. -- Mark Thomas Internet Systems Architect _______________________________________ BAE SYSTEMS Information Technology 2525 Network Place Herndon, VA 20171 USA > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On > Behalf Of Paul Rogers > Sent: Wednesday, November 17, 2004 1:29 PM > To: [EMAIL PROTECTED] > Subject: Re: numeric vs string scalars...difference? > > > Hi Paul, > > You are absolutely right. However, the real problem was that > I had to > dynamically determine whether to use == or eq...thus I needed > a way of > reliably determining whether a variable was numeric or > string. That's where > the regex came into play. > > Thanks, > Paul --- > > ----- Original Message ----- > From: "Paul Sobey" <[EMAIL PROTECTED]> > To: "Paul Rogers" <[EMAIL PROTECTED]> > Cc: <[EMAIL PROTECTED]> > Sent: Wednesday, November 17, 2004 4:16 AM > Subject: RE: numeric vs string scalars...difference? > > > Hi, > > Isn't eq a string comparison? Try using == instead: > > print "String compares\n" if "45" eq "45.0"; # Fails > print "Number compares\n" if "45" == "45.0"; # Passes > > Cheers, > Paul > > > > _______________________________________________ > Perl-Win32-Users mailing list > [EMAIL PROTECTED] > To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs > _______________________________________________ Perl-Win32-Users mailing list [EMAIL PROTECTED] To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs
