I wrote a plugin for Smarty which allows to use the php preg_match function inside a template:

Usage:

1. Copy the plugin in Smarty/plugins/function.preg_match.php
2. In the template use the following code

{$haystack="cow,dog,niddle"}
{if {preg_match pattern="niddle" subject=$haystack}}
  {$matches|print_r}
{/if}

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If you already have a translated CodeIgniter application which uses the standard CI translation you might want to access those translations even if you have smarty and gettext support.
I wrote a “quick and dirty” smarty plugin to do so. (It misses the configuration file support atm)
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If you setup CodeIgniter with Smarty you might be interested in adding localization support using gettext, or better, using php-gettext (which doesn’t require gettext to be compiled with php support).

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