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Understanding Split and Join

by davido (Archbishop)
on Dec 28, 2006 at 07:05 UTC ( #591988=perltutorial: print w/ replies, xml ) Need Help??

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  1. or download this
        $line = "Bart  Lisa Maggie Marge Homer";
        @simpsons = split ( /\s/, $line ); 
            # Splits line and uses single whitespaces 
            # as the delimiter.
    
  2. or download this
        @simpsons = split ( /\s+/, $line ); 
        #Now splits on one-or-more whitespaces.
    
  3. or download this
        $string = "Just humilityanother humilityPerl humilityhacker.";
        @japh = split ( /humility/, $string );
    
  4. or download this
        $string = "alpha-bravo-charlie-delta-echo-foxtrot";
        @list = split ( /(-)/, $string );
    
  5. or download this
        $string = "Monk";
        @letters = split ( //, $string );
    
  6. or download this
        @mydata = ( "Simpson:Homer:1-800-000-0000:40:M",
                    "Simpson:Marge:1-800-111-1111:38:F",
    ...
            ( $last, $first, $phone, $age ) = split ( /:/ ); 
            print "You may call $age year old $first $last at $phone.\n";
        }
    
  7. or download this
        ( $last, $first, $everything_else) = split ( /:/, $_, 3 );
    
  8. or download this
        $string = "Hello world!";
        @letters = split ( /\s*/, $string );
    
  9. or download this
        my @list = split /\s+/, $string;
        my @list = $string =~ /(\S+)/g;
    
  10. or download this
        my @bignumbers = $string =~ /(\d{4,})/g;
    
  11. or download this
        $string = join ( ':', $last, $first, $phone, $age, $sex );
    
  12. or download this
        $string = join ( ':', @array );
    
  13. or download this
        $string = join ( '', @array );
    
  14. or download this
        $string = join ( '*', "My", "Name", "Is", "Dave" );
    
  15. or download this
        $string = join ( 'humility', ( qw/My name is Dave/ ) );
    

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