[devote]

var str = "/* \n" +
      "$foo = 1 + 2; \n" +
      "$foo = $foo; \n" +
      "print $foo;\n" +
      "*/";

var str2 = "/* \n" +
      "$foo = 1 + 2; \n" +
      "$foo = $foo; \n" +
      "print $foo;";

alert( /\/\*([\S\s]*?)(?:\*\/|$)/.exec( str ) );

alert( /\/\*([\S\s]*?)(?:\*\/|$)/.exec( str2 ) );