正则表达式 图片地址

可以匹配到了到中文名字的图片地址 可以正常工作　有待改进

$str = "账单2018";
//GBK/GB2312使用：
preg_match_all("/[x80-xff]+/", $str, $chinese);
//UTF-8 使用：
//preg_match_all("/[x{4e00}-x{9fa5}]+/u", $str, $chinese);
print_r($chinese);

测试通过 只是有点长了


$str='<p><img src="https://fanyi.c.com/c/爱油中文字的文件名.png" height="30"><img src="http://fanyi.c.com/c/header/logo_cbfea26.png" alt="Firefox" title="Firefox" width="31" height="30"><img src="//fanyi.c.com/c/header/logo_cbfea26.png" ><img src="https://fanyi.c.com/yellow.png" width="31" height="30"><img src="/images/shortname.gif"  width="28""><img src="../images/shortname.gif"></p>';


preg_match_all("/(<img[^>]*src[[:blank:]]*)=[[:blank:]]*['"]?(([[a-z]{3,5}://(([.a-zA-Z0-9-])+(:[0-9]+)*))*([+:%/?=&;\(),._a-zA-Z0-9-]([x{4e00}-x{9fa5}p{P}]+)[^'"]*))(#[.a-zA-Z0-9-]*)?['" ]?/ius", $str, $regs);
print_r($regs[2]);

foreach($regs[2] as $val){//remove matched image from origin content
  $str = str_replace($val, "", $str);
}
preg_match_all("/(img[^>]*src[[:blank:]]*)=[[:blank:]]*['"]?(([[a-z]{3,5}://(([.a-zA-Z0-9-])+(:[0-9]+)*))*([+:%/?=&;\(),._a-zA-Z0-9-]*))(#[.a-zA-Z0-9-]*)?['" ]?/is", $str, $regs);

foreach($regs[2] as $key=>$val){//remove matched image from origin content
  if(empty($val)){
    unset($regs[2][$key]);
  }
}


print_r($regs[2]);

Array
(
    [0] => https://fanyi.c.com/c/爱油中文字的文件名.png
    [1] => http://fanyi.c.com/c/header/logo_cbfea26.png
    [2] => //fanyi.c.com/c/header/logo_cbfea26.png
    [3] => https://fanyi.c.com/yellow.png
    [4] => ../images/shortname.gif
)
Array
(
    [4] => /images/shortname.gif
)