El expression common functions

Function
Description

FN: Contains (string, substring)
Returns true if the string parameter contains the substring parameter.

FN: containsignorecase (string, substring)
Returns true if the string parameter contains the substring (Case Insensitive ).

FN: endswith (string, suffix)
Returns true if string ends with suffix.

FN: escapexml (string)
Converts an extraordinary XML (and HTML) into the corresponding XML character entity code and returns

FN: indexof (string, substring)
Returns the position where the substring parameter appears for the first time in the string parameter.

FN: Join (array, separator)
Concatenates a given array with a given delimiter separator to form a new string and return it.

FN: length (item)
Returns the number of elements contained in the parameter item. The parameter item type is array, collection, or string. For string type, the return value is the number of characters in string.

FN: Replace (string, before, after)
Returns a String object. Replace all places where the before parameter appears in the parameter string with the parameter after string, and return the replaced result.

FN: Split (string, separator)
Returns an array that uses the separator parameter as the delimiter to split the string parameter. Each part of the split is an element of the array.

FN: startswith (string, prefix)
Returns true if the string parameter starts with the prefix.

FN: substring (string, begin, end)
Returns the string part of the parameter, starting from the begin parameter to the end position of the parameter, including the character of the end position.

FN: substringafter (string, substring)
Returns the part of the substring that follows the string parameter.

FN: substringbefore (string, substring)
Returns the part of the substring before the string parameter.

FN: tolowercase (string)
Convert all characters of the string parameter to lowercase and return

FN: touppercase (string)
Converts all characters of the string parameter to uppercase and returns

FN: trim (string)
Remove the spaces at the beginning and end of the string parameter and return it.