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Editorial Team
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Asked: 2026-05-27T04:19:06+00:00

I’m running into an issue with the following. I need to clean up HTML

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I’m running into an issue with the following.

I need to clean up HTML before rendering it to the browser.

The current regex matches everthing like “{varname}” no problems so far, however I need to exclude matches which are found within script tags.

*Example was a bit unclear, so updated *
Example:

<html>
<head></head>
<body>
this is an example `{var}` variable, <- this should be matched/removed
    <script>
    // don't match below arguments in other words don't let regex remove them/match them
    myMethod("{param1:'foo', param2:'bar'}");
    </script>
</body>
</html>
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1 Answer

  1. Editorial Team

    Make it specific and just match alphanumeric characters:

    preg_replace("~\{(\w+)}~i", "", $sContent);

    Would avoid the {x: 'y'} example problem already.

    To exclude document parts with preg, use preg_replace_callback; list the undesired (<script>.+?</script>)|... as first alternative, then switch-handle in the callback.

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