Railo 4.2 Reference
Choose a function:

Object Method String.listFilter

This function creates a new string list that returns all entries from an string list that match the given filter.
String.listFilter(function filter,[string delimiter,[boolean includeEmptyFields,[boolean multiCharacterDelimiter,[boolean parallel,[number maxThreads]]]]]):string

Arguments

The arguments for this function are set. You can not use other arguments except the following ones.
Name Type Required Description
filter function  Yes function/closure that implements the following constructor [function(any value, numeric index,string list, string delimiter):boolean].
delimiter string  No delimiter used to separate the string list
includeEmptyFields boolean  No include empty fields or not
multiCharacterDelimiter boolean  No specifying whether the delimiters parameter specifies a multi-character delimiter. If this parameter is true, the delimiters parameter must specify a single delimiter consisting of multiple characters. This parameter enables the ListToArray function to convert a list such as the following to an array of color names: red:|orange:|yellow:|green:|blue:|indigo:|violet.
parallel boolean  No execute closures parallel
maxThreads number  No maximum number of threads executed, ignored when argument "parallel" is set to false