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[php] How to replace <span style="font-weight: bold;">foo</span> by <strong>foo</strong> using PHP and regex?

I have a string like this:

<span style="font-weight: bold;">Foo</span>

I want to use PHP to make it

<strong>Foo</strong>

…without affecting other spans.

How can I do this?

This question is related to php regex preg-replace

The answer is

$text='<span style="font-weight: bold;">Foo</span>';
$text=preg_replace( '/<span style="font-weight: bold;">(.*?)<\/span>/', '<strong>$1</strong>',$text);

Note: only work for your example.

Source: Stackoverflow.com

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