$str="we have 10 students,20 classes,70 houses.";
preg_match_all("/we have (\d+) students,(\d+) classes,(\d+) houses/iU", $str, $array)
echo "<pre>";
print_r($array);换不同数字测试一下,看明白$array的结构,自己把对应变量赋值
preg_match_all("/we have (\d+) students,(\d+) classes,(\d+) houses/iU", $str, $array)
echo "<pre>";
print_r($array);换不同数字测试一下,看明白$array的结构,自己把对应变量赋值
<?php
preg_match_all ("|<[^>]+>(.*)</[^>]+>|U",
"<b>example: </b><div align=left>this is a test</div>",
$out, PREG_PATTERN_ORDER);
print $out[0][0].", ".$out[0][1]."\n";
print $out[1][0].", ".$out[1][1]."\n";
?>
$str="we have 10 students,20 classes,70 houses.";
preg_match_all("/\d+/", $str, $array);
print_r($array);
?>Array
(
[0] => Array
(
[0] => 10
[1] => 20
[2] => 70
))