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PHP uses regular expressions to replace tags_PHP tutorial

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Release： 2016-07-12 09:04:57
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PHP uses regular expressions to replace tags

$str = 'How are you? It's okay. It's just so-so. [link url="http://www.chinanews.com/sh/2015/11-13/7621991.shtml"] Yichang Bridge exploded and collapsed, killing 14 The case was sentenced to a suspended death sentence for the defendant Zhang Genlin[/link] It’s not good at all. What should I do? areyouok[][link url="http://www.baidu.com"]Is this regular expression sure to work[/link]areyousui ';
$string = 'Hello, this is a connectionHow are you? How many days have we been here';
preg_match_all('/(.*?)/i',$string,$arr);
preg_match_all('/[link url="(.*?)".*?](.*?)[/link]/i',$str,$arr);
var_dump($arr);
if($arr){
foreach($arr[0] as $ke=>$va){
$str=str_replace($va,''.$arr [2][$ke].'',$str);
}
}
echo $str;

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1071280.htmlTechArticlePHP uses regular expressions to replace tags $str = How are you? It’s ok. Just so-so [link url= http://www.chinanews.com/sh/2015/11-13/7621991.shtml] The verdict was announced in the case of Yichang Bridge explosion and collapse that killed 14 people...
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php str generally use ok replace Label regular expression
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