我想在下面的HTML字符串中捕获方括号内的文本。但是,我下面的正则表达式不能将'image'和'imagealt'分开,而是返回'image]" alt="[imagealt'。如果我从字符串中删除alt =“[imagealt]”,它会按照我预期/想要的返回。
$html = '<h2>[title]</h2>
<div class="content"><img src="[image]" alt="[imagealt]" /></div>
<div class="content">[text]</div>';
preg_match_all("^\[(.*)\]^",$html,$fields, PREG_PATTERN_ORDER);
echo "<pre>";
print_r($fields);
echo "</pre>";
Array
(
[0] => Array
(
[0] => [title]
[1] => [image]" alt="[imagealt]
[2] => [text]
)
[1] => Array
(
[0] => title
[1] => image]" alt="[imagealt
[2] => text
)
)