This looks like a task for a regex:

if ( $scalar =~ /^[12345]+$/ ) {
  print "match";
} else {
  print "no match";
}

[download]

Update: as crazyinsomniac pointed out you can also write: 

if ( $scalar !~ /[^12345]/ ) {
  print "match";
}

[download]

alex pleiner <alex@zeitform.de>
zeitform Internet Dienste

In reply to Re: Detect presence of numbers 1-9 by projekt21
in thread Detect presence of numbers 1-9 by kiat

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