sp;FALSE, dictionary&nbsp;=&nbsp;getOption("regex.library"), ...)</div></pre>
    
    <h2>Arguments</h2>
    <dl>
      <dt>text.var</dt>
      <dd>The text variable.</dd>
      <dt>trim</dt>
      <dd>logical.  If <code>TRUE</code> removes leading and trailing white
spaces.</dd>
      <dt>clean</dt>
      <dd>trim logical.  If <code>TRUE</code> extra white spaces and escaped
character will be removed.</dd>
      <dt>pattern</dt>
      <dd>A character string containing a regular expression (or
character st