<html><head><title>正则表达式</title></head><body><a href="./">返回列表</a><form action="<? echo $PHP_SELF; ?>" method="post">请输入MM/DD/YYYY格式的日期:<input type="text" name="date" value="<? echo $date; ?>"><input type="submit" value="转换为YYYY-MM-DD格式"></form><?if(isset($date)){
if ( ereg( "([0-9]{1,2})/([0-9]{1,2})/([0-9]{4})", $date, $regs ) ) {
echo $regs[0] . "的转换结果为:" . $regs[3] . "-" . $regs[1] . "-" . $regs[2];
} else {
echo "$date 的日期格式不对!<br>";
}}?></body></html>