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Editorial Team
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Asked: 2026-06-09T12:15:18+00:00

I want to do something like: <?php $text = <font style=’color: #fff’>; $replaceandshow =

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I want to do something like:

<?php
$text = "<font style='color: #fff'>";
$replaceandshow = str_replace("<font style=\"?\">", "the font style is ?", $text);
echo $replaceandshow;
?>

For example the ? is color: #fff, but I want that PHP will trace it by itself, Is it possible + If it’s possible , How can I do that?

P.S: Someone gave me a code but it’s now working, it displays a White page for me.

<?php
$colorstring = "<font style='#fff'>";
$searchcolor = preg_replace('[a-fA-F0-9]{3,6}','[font style=$1]Test[/font]',$colorstring);
echo $searchcolor;

Thanks for helping.

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1 Answer

  1. Editorial Team

    You are getting white page because error reporting is turned off. The error in your code is missing delimiter in preg_replace. And additionally, to use back-referencing you should enclose the expression required to match in parentheses.

    preg_replace('/([a-fA-F0-9]{3,6})/','the font style is $1',$colorstring);

    shall give the correct output.

    You might consider using a more constrictive expression because the current expression is very open to matching other strings like “FFFont”. Another thing to note is that the expression may result in output like.

    <font style='color: the color is #fff'>

    Try:

    /<font style='color: #([a-fA-F0-9]{3,6})'>/
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