String (final Collection<String> data, @NotNull final String propertyValue) { final StringBuilder sb = new StringBuilder(); final StringTokenizer st = new StringTokenizer(propertyValue, "\r\n "); while (st.hasMoreElements()) { final String ignorePattern = (String)st.nextElement(); if (! data.contains(ignorePattern)) { sb.append(ignorePattern).append('\n'); } } return sb.toString(); }