JSTL Functions - Prefix "fn" Collection Length - length String manipulation(문자열 조작 태그) - toUpperCase, toLowerCase - substring, substringAfer, substringBefore - trim, replace, indexOf, startsWith, endsWith - contains, containsIgnoreCase, split, join, escapeXml 예제 Length of the string ${data }: ${fn:length(data)} Uppercase version of the string ${data }: ${fn:toUpperCase(data) } Does the string ${..
