Expresiones Regulares Tester

Regex: Texto:

Ruby

regex = /(.*)\b(\s+)\b(\w+)$/
texto = "Expresiones Regulares   Tester"
texto.match(regex).captures
Salida: ["Expresiones Regulares", "   ", "Tester"]

PHP

<?
$regex = '/(.*)\b(\s+)\b(\w+)$/';
$texto = "Expresiones Regulares   Tester";
preg_match($regex, $texto, $match);
print_r($match);

Salida:
Array
(
    [0] => Expresiones Regulares   Tester
    [1] => Expresiones Regulares
    [2] =>    
    [3] => Tester
);
?>

Javascript

var regex = new RegExp("(.*)\\b(\\s+)\\b(\\w+)$");
var match = regex.exec("Expresiones Regulares   Tester");
for(var i=0, total=match.length; i<total; i++){-
	alert(match[i]);
}

Perl

$regex = '(.*)\b(\s+)\b(\w+)$';
$texto = "Expresiones Regulares   Tester";
@a = $texto =~ /$regex/;
foreach(@a){
	print $_ . "\n";
}