fenom/docs/en/mods/ematch.md

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Modifier ematch
==============
Perform a regular expression match.
[Read more](http://www.php.net/manual/en/reference.pcre.pattern.syntax.php) about regular expression.
```
{$string|ematch:$pattern}
```
Searches `$string` for a match to the regular expression given in `$pattern`.
```smarty
{if $color|ematch:'/^gr[ae]y$/i'}
some form of gray ...
{/if}
```