<?php
preg_replace('/[\x00-\x09\x0B\x0C\x0E-\x1F\x7F]/', '', $string); // The line feed and carriage return will be saved.
ここから拝借:
http://stackoverflow.com/questions/1497885/remove-control-characters-from-php-string
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制御文字を取り除く方法（改行コードは保持）
Last updated at Posted at 2012-03-16
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