Difference between revisions of "IndexOf Command"
From GeoGebra Manual
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Revision as of 21:16, 9 March 2013
- IndexOf[ <Object>, <List> ]
- Returns position of first occurrence of Object in List, e.g.
IndexOf[5, {1, 3, 5, 2, 5, 4}]returns 3. When the object is not found, result is undefined. - IndexOf[ <Object>, <List>, <Start Index> ]
- Same as above, but the search starts at given index.
Examples:
IndexOf[5, {1, 3, 5, 2, 5, 4}, 3]returns 3.IndexOf[5, {1, 3, 5, 2, 5, 4}, 4]returns 5.IndexOf[5, {1, 3, 5, 2, 5, 4}, 6]returns undefined.
- IndexOf[ <Text Needle>, <Text Haystack>]
- Returns position of first occurrence of Needle in Haystack, e.g.
IndexOf["Ge", "GeoGebra"]returns 1. - IndexOf[ <Text Needle>, <Text Haystack>, <Start Index> ]
- Same as above, but the search starts at given index.
Example:
IndexOf["Ge", "GeoGebra",2] returns 4.
