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Re: simple 2 digit number problem
Joined: 23 Apr 2004
Posts: 2
Re: simple 2 digit number problem
Well i think the script below is almost correct except it wont be
able to check if the number is positive i.e. if $number="-1.21" then
the script will fail. Just put a test condition to check if there is
a negative sign at the start of number.
--- In perl_official@yahoogroups.com, "senarai surat" <senarai@h...>
wrote:
> Try this simple script?
>
> #############
> $number="1.21";
> if( ($number=~/.(d{2}/)&&($1>0))
> { isvalid... }
> #############
>
> mean:
> if $number contain `.` with exactly 2 digits after `.` AND that 2
digits is
> more than 0 (positive)
> then it is valid
>
>
>
>
>
> >
> >I`m sure this is very simple, tried searching google for 2 hrs.
> >
> >Problem
> >=======
> >How do I check if $number is a positive number to 2 decimal places?
> >
> >ie.
> >
> >12.12 valid
> >0 invalid
> >0.00 invalid
> >1.0 invalid
> >12.123 invalid
> >-1.00 invalid
> >
> >thanks
> >
> >
>
> _________________________________________________________________
> Are you in love? Find a date on MSN Personals
http://match.msn.com.my/
Joined: 23 Apr 2004
Posts: 2
Re: simple 2 digit number problem
Well i think the script below is almost correct except it wont be
able to check if the number is positive i.e. if $number="-1.21" then
the script will fail. Just put a test condition to check if there is
a negative sign at the start of number.
--- In perl_official@yahoogroups.com, "senarai surat" <senarai@h...>
wrote:
> Try this simple script?
>
> #############
> $number="1.21";
> if( ($number=~/.(d{2}/)&&($1>0))
> { isvalid... }
> #############
>
> mean:
> if $number contain `.` with exactly 2 digits after `.` AND that 2
digits is
> more than 0 (positive)
> then it is valid
>
>
>
>
>
> >
> >I`m sure this is very simple, tried searching google for 2 hrs.
> >
> >Problem
> >=======
> >How do I check if $number is a positive number to 2 decimal places?
> >
> >ie.
> >
> >12.12 valid
> >0 invalid
> >0.00 invalid
> >1.0 invalid
> >12.123 invalid
> >-1.00 invalid
> >
> >thanks
> >
> >
>
> _________________________________________________________________
> Are you in love? Find a date on MSN Personals
http://match.msn.com.my/
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