thymeleaf Expression Utility Objects String contains
Example
<div th:if="${#strings.contains(#httpServletRequest.requestURI, 'email')}">
<div th:replace="fragments/email::welcome">
</div>
<div th:if="${#strings.contains(#httpServletRequest.requestURI, 'email')}">
<div th:replace="fragments/email::welcome">
</div>
