php preg_replace 如何不改变url

发布于 2025-01-18 16:55:19 字数 508 浏览 1 评论 0原文

html 内容中的 ts 应替换为 s.

例如： sanktsya =>; sanksya

这就是它正常工作的方式。

但 a 或 img url 正在发生变化。

如何不更改网址？

我的代码

$str='<p>sanktsya boshlandi.</p>
<p><img src="https://img.com/Sqstso.jpeg" /></p>';

$result = preg_replace("/([qwrtpsdfghklzxcvbnmQWRTPSDFGHKLZXCVBNM]+)[tT]s/", "\${1}s", $str);

原文

ts in html content should be replaced by s.

for example:
sanktsya => sanksya

That's how it works fine.

But a or img urls are changing.

how to not changing urls ?

My code

$str='<p>sanktsya boshlandi.</p>
<p><img src="https://img.com/Sqstso.jpeg" /></p>';

$result = preg_replace("/([qwrtpsdfghklzxcvbnmQWRTPSDFGHKLZXCVBNM]+)[tT]s/", "\${1}s", $str);

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吻泪 2025-01-25 16:55:19

就像@nick所说的那样，这是DOM的任务。 DOM结构由不同的节点组成（元素，注释，文本节点，...）。使用XPath，您可以按类型来解决节点。

您的字符串看起来像XHTML片段字符串，因此以下是一个示例：

$xhtml = <<<'XHTML'
<p>sanktsya boshlandi.</p>
<p><img src="https://img.com/Sqstso.jpeg" /></p>
XHTML;

// bootstrap DOM
$document = new DOMDocument();
$xpath = new DOMXpath($document);

// create a fragment node and append XML content
$fragment = $document->createDocumentFragment();
$fragment->appendXML($xhtml);

// iterate any descendant text node
foreach($xpath->evaluate('.//text()', $fragment) as $textNode) {
    // modify node text content
    $textNode->textContent = preg_replace(
        '(([qwrtpsdfghklzxcvbnmQWRTPSDFGHKLZXCVBNM]+)[tT]s)', 
        '$1s',
        $textNode->textContent
    );
}

// save XHTML fragment string
echo $document->saveXML($fragment);

Like @nick said this is a task for DOM. A DOM structure consists of different nodes (elements, comments, text nodes, ...). With Xpath you can address nodes by type.

You string looks like an XHTML fragment string so here is an example:

$xhtml = <<<'XHTML'
<p>sanktsya boshlandi.</p>
<p><img src="https://img.com/Sqstso.jpeg" /></p>
XHTML;

// bootstrap DOM
$document = new DOMDocument();
$xpath = new DOMXpath($document);

// create a fragment node and append XML content
$fragment = $document->createDocumentFragment();
$fragment->appendXML($xhtml);

// iterate any descendant text node
foreach($xpath->evaluate('.//text()', $fragment) as $textNode) {
    // modify node text content
    $textNode->textContent = preg_replace(
        '(([qwrtpsdfghklzxcvbnmQWRTPSDFGHKLZXCVBNM]+)[tT]s)', 
        '$1s',
        $textNode->textContent
    );
}

// save XHTML fragment string
echo $document->saveXML($fragment);

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む无字情书 2025-01-25 16:55:19

使用

$result = preg_replace("/<[^>]*>(*SKIP)(*FAIL)|[qwrtpsdfghklzxcvbnm]+\Kts/i", "s", $str);

请参阅正则表达式证明。

说明

NODE                     EXPLANATION
--------------------------------------------------------------------------------
  <                        '<'
--------------------------------------------------------------------------------
  [^>]*                    any character except: '>' (0 or more times
                           (matching the most amount possible))
--------------------------------------------------------------------------------
  >                        '>'
--------------------------------------------------------------------------------
 (*SKIP)(*FAIL)            Skip current match, resume search from current position
--------------------------------------------------------------------------------
 |                        OR
--------------------------------------------------------------------------------
  [qwrtpsdfghklzxcvbnm     any character of: 'q', 'w', 'r', 't', 'p',
  ]+                       's', 'd', 'f', 'g', 'h', 'k', 'l', 'z',
                           'x', 'c', 'v', 'b', 'n', 'm' (1 or more
                           times (matching the most amount possible))
--------------------------------------------------------------------------------
  \K                       Match reset operator, discards text from match
--------------------------------------------------------------------------------
  ts                       'ts'

Use

$result = preg_replace("/<[^>]*>(*SKIP)(*FAIL)|[qwrtpsdfghklzxcvbnm]+\Kts/i", "s", $str);

See regex proof.

EXPLANATION

NODE                     EXPLANATION
--------------------------------------------------------------------------------
  <                        '<'
--------------------------------------------------------------------------------
  [^>]*                    any character except: '>' (0 or more times
                           (matching the most amount possible))
--------------------------------------------------------------------------------
  >                        '>'
--------------------------------------------------------------------------------
 (*SKIP)(*FAIL)            Skip current match, resume search from current position
--------------------------------------------------------------------------------
 |                        OR
--------------------------------------------------------------------------------
  [qwrtpsdfghklzxcvbnm     any character of: 'q', 'w', 'r', 't', 'p',
  ]+                       's', 'd', 'f', 'g', 'h', 'k', 'l', 'z',
                           'x', 'c', 'v', 'b', 'n', 'm' (1 or more
                           times (matching the most amount possible))
--------------------------------------------------------------------------------
  \K                       Match reset operator, discards text from match
--------------------------------------------------------------------------------
  ts                       'ts'

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