code: public static boolean equalsAny(final CharSequence string, final CharSequence... searchStrings) {
          if (ArrayUtils.isNotEmpty(searchStrings)) {
              for (final CharSequence next : searchStrings) {
                  if (equals(string, next)) {
                      return true;
                  }
              }
          }
          return false;
      }
docs: <p>Compares given <code>string</code> to a CharSequences vararg of <code>searchStrings</code>,
  returning {@code true} if the <code>string</code> is equal to any of the <code>searchStrings</code>.</p>
  
  <pre>
  StringUtils.equalsAny(null, (CharSequence[]) null) = false
  StringUtils.equalsAny(null, null, null)    = true
  StringUtils.equalsAny(null, "abc", "def")  = false
  StringUtils.equalsAny("abc", null, "def")  = false
  StringUtils.equalsAny("abc", "abc", "def") = true
  StringUtils.equalsAny("abc", "ABC", "DEF") = false
  </pre>
  
  @param string to compare, may be {@code null}.
  @param searchStrings a vararg of strings, may be {@code null}.
  @return {@code true} if the string is equal (case-sensitive) to any other element of <code>searchStrings</code>;
  {@code false} if <code>searchStrings</code> is null or contains no matches.
  @since 3.5