foreach在正则表达式？ [重复]

Question

Possible Duplicate:
php regular expression help?

hi, i want to replace

i like apple
apple is good
orange is also nice
my mom likes banana
apple 123 4
the pear is soo sweat
my dad loves pear

to

i like apple
apple is good
orange is also nice
my mom likes banana
apple 1
apple 2
apple 3
apple 4
the pear is soo sweat
my dad loves pear

by preg_replace?

Answer 1

<?
function replace($matches)
{
        return preg_replace("/\s*(\d)\s*/", "$matches[1] $1
", $matches[2]);
}
$s = "i like apple
apple is good
orange is also nice
my mom likes banana
apple 123 4
the pear is soo sweat
my dad loves pear";
echo "Before::......

$s

After::......

";
echo preg_replace_callback('/^(apple) ([\d ]+)
/m', 'replace', $s);
echo "
";
?>

Output:

Before::......

i like apple
apple is good
orange is also nice
my mom likes banana
apple 123 4
the pear is soo sweat
my dad loves pear

After::......

i like apple
apple is good
orange is also nice
my mom likes banana
apple 1
apple 2
apple 3
apple 4
the pear is soo sweat
my dad loves pear