Railo 4.2 Reference
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Function LISTINDEXEXISTS

Determines if an element at the given position exists or not

Example

listindexexists(string list,number index,[string delimiter,[boolean includeEmptyFields]]):boolean

Arguments

The arguments for this function are set. You can not use other arguments except the following ones.
Name Type Required Description
list string  Yes a string list  
index number  Yes index to check for.  
delimiter string  No Characters that separate list elements. The default value is comma.  
includeEmptyFields boolean  No if set to true, empty values are included as well