Name

filterchars — Filter charachters out of a String

Synopsis

string filterchars ( string  STRING ,
  string  include );

Parameters

string STRING

string include

String to be included

Return

string

Description

Returns a string that results from string STRING by removing all characters that do not occur in include.

Usage

  filterchars ("a", "abcdefghijklmnopqrstuvwxyz") -> "ac"