code: public static boolean stringMatchesPattern (@Nonnull @RegEx final String sRegEx, @Nonnull final String sValue)
    {
      return getMatcher (sRegEx, sValue).matches ();
    }
docs: A shortcut helper method to determine whether a string matches a certain
  regular expression or not.
  
  @param sRegEx
  The regular expression to be used. The compiled regular expression
  pattern is cached. May neither be <code>null</code> nor empty.
  @param sValue
  The string value to compare against the regular expression.
  @return <code>true</code> if the string matches the regular expression,
  <code>false</code> otherwise.