我想把一些文本解析成一个数组：
我的文本如下：
You've come to the {right; correct; appropriate} place! Start by {searching; probing; inquiring} our site below, or {browse; {search; lookup; examine}} our list of popular support articles.
第三组单词有嵌套标签。如何忽略打开和关闭嵌套标签来实现之类的数组
$tags[0][0] = 'right';
$tags[0][1] = 'suitable';
$tags[0][2] = 'appropriate';
$tags[1][0] = 'searching';
$tags[1][1] = 'probing';
$tags[1][2] = 'inquiring';
$tags[2][1] = 'browse';
$tags[2][2] = 'search';
$tags[2][3] = 'lookup';
$tags[2][4] = 'examine';
本质上忽略了标签的嵌套。如有任何帮助，我们将不胜感激。
我目前唯一的想法是逐个字符遍历文本，直到我找到一个{这将增加一个"深度"变量。捕获中间的单词，直到我发现一个}减少深度变量，当它返回零时，停止捕获单词。我只是想知道是否有更简单的方法。谢谢
感谢您的出色帮助，我对其进行了一些修改，以提出以下解决方案
$code = "You've come to {the right; the correct; the appropriate} place!
Start by {searching; probing; inquiring} our site below, or
{browse; {search; {foo; bar}; lookup}; examine} our list of
popular support articles.";
echo $code."'r'n'r'n";
preg_match_all('/{((?:[^{}]*|(?R))*)}/', $code, $matches);
$arr = array();
$r = array('{','}');
foreach($matches[1] as $k1 => $m)
{
$ths = explode(';',str_replace($r,'',$m));
foreach($ths as $key => $val)
{
if($val!='')
$arr[$k1][$key] = trim($val);
$code = str_replace($matches[0][$k1],'[[rep'.$k1.']]',$code);
}
}
echo $code;
退货
你来到了正确的地方！从下面的｛search；probing；inquicking｝我们的网站开始，或者｛browse；{search；{foo；bar｝；查找}；查看我们的热门支持文章列表。
你已经来到[[rep0]]的地方了！从下面的[[rep1]]我们的网站开始，或者从[[rep2]]我们的热门支持文章列表开始。
我目前唯一的想法是逐个字符遍历文本，直到我找到一个{这将增加一个"深度"变量。捕获中间的单词，直到我发现一个}减少深度变量，当它返回零时，停止捕获单词。我只是想知道是否有更简单的方法。
这听起来是一种合理的方法。另一种方法是使用一点regex，尽管可能会导致一个比您自己的解决方案可读性差（因此维护性差）的解决方案。
<?php
$text = "You've come to the {right; correct; appropriate} place!
Start by {searching; probing; inquiring} our site below, or
{browse; {search; {foo; bar}; lookup}; examine} our list of
popular support articles. {the right; the correct; the appropriate}";
preg_match_all('/{((?:[^{}]*|(?R))*)}/', $text, $matches);
$arr = array();
foreach($matches[1] as $m) {
preg_match_all('/'w(['w's]*'w)?/', $m, $words);
$arr[] = $words[0];
}
print_r($arr);
?>
将产生：
Array
(
[0] => Array
(
[0] => right
[1] => correct
[2] => appropriate
)
[1] => Array
(
[0] => searching
[1] => probing
[2] => inquiring
)
[2] => Array
(
[0] => browse
[1] => search
[2] => foo
[3] => bar
[4] => lookup
[5] => examine
)
[3] => Array
(
[0] => the right
[1] => the correct
[2] => the appropriate
)
)