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How Can I Remove HTML Tag Attributes Using Regular Expressions?

Mary-Kate Olsen
Release: 2024-11-28 07:48:10
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<p>How Can I Remove HTML Tag Attributes Using Regular Expressions?

<p>Stripping HTML Tag Attributes Using Regular Expressions

<p>In the realm of HTML, one may encounter situations where it's desirable to remove all attributes from tags, yielding a simplified HTML structure. Consider the example code:

<p>
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<p>To remove all attributes, apply the following regular expression:

/<([a-z][a-z0-9]*)[^>]*?(\/?)>/si
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<p>Broken down, the pattern matches the following sequence:

  • < (beginning of tag)
  • Tag name (alphanumeric characters only)
  • Zero or more non-< characters (excluding attributes)
  • Optional / (for closing tags)
  • > (end of tag)
<p>The captured group $1 represents the tag name, and $2 represents the optional / character. Replacement text of <$1$2> strips all characters between the tag name and the end of the tag.

<p>Here's an example using PHP:

$text = '<p>
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<p>While this method may work for most cases, it's important to note that it may not handle all scenarios flawlessly. For more comprehensive attribute filtering, consider utilizing PHP's Zend_Filter_StripTags class.

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