<html><head><title>正则表达式</title></head><body><a href="./">返回列表</a><br><form action="<?echo $PHP_SELF;?>" method="post">URL：<input type="text" name="url" value="<?echo $url?>"><input type="submit" value="获取所有裢接"></form><?if(isset($url)){
echo "$url 有下列裢接：<br>";
$fcontents = file($url);
while(list(,$line)=each($fcontents)){
while(eregi('(href[[:space:]]*=[[:space:]]*"?[[:alnum:]:@/._-]+"?)(.*)',$line,$regs)){
$regs[1] = eregi_replace('(href[[:space:]]*=[[:space:]]*"?)([[:alnum:]:@/._-]+)("?)',"\2",$regs[1]);
echo "
$regs[1]<br>";
$line = $regs[2];
}
}}?></body></html>