A match for /d+? d+?/
What???s the match here?
alert( "123 456".match(/\d+? \d+?/g) ); // ?The result is: 123 4.
First the lazy \d+? tries to take as little digits as it can, but it has to reach the space, so it takes 123.
Then the second \d+? takes only one digit, because that???s enough.