Difference between revisions of "Documentation/How Tos/Calc: ISREF function"
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* The ODFF standard is not clear what <tt>'''ISREF'''</tt> should return when presented with an undefined range. | * The ODFF standard is not clear what <tt>'''ISREF'''</tt> should return when presented with an undefined range. | ||
Revision as of 21:35, 7 December 2007
ISREF
Tests if the argument is a reference to a cell or range of cells.
Syntax:
ISREF(value)
- Returns TRUE if value is a reference to a cell or range of cells and FALSE otherwise.
Example:
ISREF(C5)
- returns TRUE, because C5 refers to a cell.
ISREF(A1:B3)
- returns TRUE, because A1:B3 refers to a range of cells.
ISREF("A5")
- returns FALSE, because "A5" is text, not a cell reference.
ISREF(NA())
- returns FALSE, because NA() is an error, not a cell reference.
ISREF(A9999999)
- returns FALSE, because cell A9999999 does not exist.
ISREF(range1)
- where range1 is the named range A1:B3, returns TRUE.
ISREF(range2)
- where range2 is not defined, returns the #NAME? error
ISREF(INDIRECT(C1))
- where cell C1 contains the text "D1", returns TRUE, because INDIRECT returns a reference.
See also:
Issues:
- The ODFF standard is not clear what ISREF should return when presented with an undefined range.
