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Editorial Team
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Asked: 2026-05-22T19:54:40+00:00

[tag]foobar[/tag] [tag parameter1]foobar[/tag] [tag parameter2=whatever]foobar[/tag] [tag parameter1 parameter2=whatever]foobar[/tag] [tag parameter2=whatever parameter1]foobar[/tag] Can I match

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[tag]foobar[/tag]
[tag parameter1]foobar[/tag]
[tag parameter2="whatever"]foobar[/tag]
[tag parameter1 parameter2="whatever"]foobar[/tag]
[tag parameter2="whatever" parameter1]foobar[/tag]

Can I match all these combinations in one expression? Ideally suitable for additional parameters. I tried a few things but nothing works. For now i am going to match every single combination but i guess, that’s not the best.

The second matter, i want to make a replacement for the parameters.

parameter1 to class="tagclass"

parameter2="input" to id="input"

Is it possible to do it all in one step?

Thanks and regards,
Alex

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1 Answer

  1. Editorial Team

    WordPress has code that does that:

    http://core.trac.wordpress.org/browser/trunk/wp-includes/shortcodes.php

    It doesn’t work 100%, but it gets the job done. See in particular the shortcode_parse_atts() function (line 225 as I write, but subject to change in later versions of WP).

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