note
jwkrahn
<blockquote><i><c>
substr( $mask_input, $lastEnd, $start ) =~ tr[\x00-\xff][N];
</c></i></blockquote>
<p>
You could write that [doc://tr] expression more simply as:
</p>
<c>
substr( $mask_input, $lastEnd, $start ) =~ tr//N/c;
</c>
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