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Re^2: Check if a variable contains only one letter?

by LanX (Saint)
on May 02, 2014 at 14:16 UTC ( [id://1084793]=note: print w/replies, xml ) Need Help??

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  1. or download this
      DB<106> $str='A B C'
 => "A B C"
...

  DB<108> scalar @matches
 => 3
  2. or download this
      DB<115> $str='A B C'
 => "A B C"
...

  DB<118> $str !~ /[A-Z].*[A-Z]/
 => 1

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