protected void clearSearch(){
  if (m_LastSearch.length() > 0) {
    m_LastSearch="";
    notifySearchListeners(new SearchEvent(SearchPanel.this,"",isRegularExpression()));
  }
}

protected void clearSearch ( ) { if ( m_LastSearch . length ( ) > 0 ) { m_LastSearch = "" ; notifySearchListeners ( new SearchEvent ( SearchPanel . this , "" , isRegularExpression ( ) ) ) ; } }
clears a previous search if the last search term had a non - zero length .
