bllim/laravel4-datatables-package — pull request #168 by nmkr (2014-10-24 22:39:10+00:00)
Title: Update Datatables.php

Theres an error when using the search with characters like ā, ē, č, ū, š, etc...
It is because the code uses strtolower instead of mb_strtolower...

It is easily fixed by replacing strtolower function with \Str::lower for example.

See this Issue..
https://github.com/bllim/laravel4-datatables-package/issues/167