EPIC
Enhanced
Programmable
IRC-II
Client

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# $EPIC: pass.txt,v 1.4 2007/03/02 02:32:04 jnelson Exp $
======Synopsis:======
$__strip__(<chars> <text>) \\
$__pass__(<chars> <text>)

======Technical:======
   * The <chars> argument is a [[what is a word|dword]] which is different from most functions.
   * If the <chars> argument is omitted the empty string is returned.
   * If the <text> argument is omitted the empty string is returned.
   * The return value for $strip() is a copy of <text> from which every instance of any character in <chars> has been removed.
   * The return value for $pass() is a copy of <text> from which every instance of any character not in <chars> has been removed.

======Practical:======
These functions can be useful to remove dangerous or unwanted
characters from a text string.

======Returns:======
$strip(): <text> with all of the characters in <chars> removed. \\
$pass(): <text> with all of the characters not in <chars> removed.

======Examples:======
<file>
$strip(aeoiu hello there)            returns "hll thr"
$pass(aeoiu hello there)            returns "eoee"
</file>

======History:======
This function originally appeared in ircII-2.1.5