JSP built-in functions

Function Description:

• Fn:contains (string, substring)--Returns True if the argument string contains a parameter substring

• Fn:containsignorecase (string, substring)--Returns True if the argument string contains a parameter substring (ignoring case)

• Fn:endswith (string, suffix)--returns True if the argument string ends with the argument suffix

• Fn:escapexml (String)-converts XML (and HTML) with special meaning into the corresponding XML character entity code, and returns

• Fn:indexof (string, substring)--Returns the position of the first occurrence of the parameter substring in the parameter string

• Fn:join (Array, separator)--a given array array is separator together with the given spacer, forming a new string and returning it.

• Fn:length (item)--Returns the number of elements contained in the parameter item. The parameter item type is an array, a collection, or a string. If it is of type string, the return value is the number of characters in string.

• Fn:replace (String, before, after)--Returns a String object. Replaces all occurrences of a parameter before string in a parameter string with a parameter after string, and returns the replaced result

• Fn:split (String, separator)--Returns an array that splits the argument string with the parameter separator, and each part of the split is an element of the array

• Fn:startswith (string, prefix)--Returns True if the argument string starts with the argument prefix

• Fn:substring (string, begin, end)--Returns the argument string part string, starting with the argument begin to the argument end position, including the character of the end position

• Fn:substringafter (string, substring)--Returns the part of the argument substring the string following the argument string

• Fn:substringbefore (string, substring)--Returns the part of the string that precedes the argument substring in the argument string

• Fn:tolowercase (String)--converts all characters of the argument string to lowercase and returns it

• Fn:touppercase (String)--converts all characters of the argument string to uppercase and returns it

• Fn:trim (String)--strips the trailing and trailing spaces of a parameter string and returns it

JSP built-in functions