ListIndexExists

Checks if a list has a given index

Method Signature

ListIndexExists(list=[string], index=[integer], delimiter=[string], includeEmptyFields=[boolean])

Arguments

Argument	Type	Required	Description	Default
list	string	true	string list to check for an index
index	integer	true	numeric The index to check for
delimiter	string	false	string the list delimiter	,
includeEmptyFields	boolean	false	boolean whether to include empty fields in the returned result	false

Examples

Simple listIndexExists

Check whether the index is exists or not in list

<bx:set list = "Apple,Orange,Banana,Graphs" >
<bx:if listIndexExists( list, 2 ) >
	<bx:set list = listsetAt( list, 2, "Goa" ) >
</bx:if>
<bx:output>#list#</bx:output>

Result: Apple,Goa,Banana,Graphs

Additional Examples

Run Example

// Simple Example
writeoutput( listIndexExists( "Susi,LAS,,boxlang,,,test", 3 ) );
// Member Function
strList = ",I,,love,boxlang,,";
writeDump( strList.listIndexExists( 6 ) );
 // Not exists, returns false

Related

• GetToken

• ListAppend

• ListAvg

• ListChangeDelims

• ListCompact

• ListContains

• ListContainsNoCase

• ListDeleteAt

• ListEach

• ListEvery

• ListFilter

• ListFind

• ListFindNoCase

• ListFirst

• ListGetAt

• ListInsertAt

• ListItemTrim

• ListLast

• ListLen

• ListMap

• ListNone

• ListPrepend

• ListQualify

• ListReduceRight

• ListRemoveDuplicates

• ListRest

• ListSetAt

• ListSome

• ListSort

• ListToArray

• ListTrim

• ListValueCount

• ListValueCountNoCase