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Head (listText, numberOfItems, asciiDelimiter)

Result Type: Text

Definition: Returns the first N items from a textual list of items. The list can be delimited by any ascii (not unicode) character, as specified by the delimiter parameter. If numberOfItems is negative, then Head returns all but the last abs(numberOfItems) items of the list. This can be useful for chopping off the total line of an analysis

Examples:  Head ("foo,bar,baz", 2, ",")

returns the first 2 elements of the comma-delimited list: i.e: "foo,bar".

Head("a,b,c,d,e,f,g,h", -2, ",")

returns "a,b,c,d,e,f".

See Also:

Dice: Get a subcomponent of a delimited tabular string

Left: Get characters from the start of a string

Mid: Get characters from the middle of a string

Regex_Match: Test whether a string matches a regular expression

Regex_Replace: Replace text in a string using a regular expression

Replace: Replace matching text in a string with new text

Right: Get characters from the end of a string

Slice: Get a component of a delimited string

Tail: Get some elements from the end of a delimited string

Trim: Remove whitespace from beginning and end of a string