$isnumber » History » Version 4
Per Amundsen, 05/09/2022 07:35 PM
| 1 | 1 | Per Amundsen | _Added in 4.2_ |
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| 2 | |||
| 3 | *$isnumber(text [, cdens])* |
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| 4 | |||
| 5 | Returns [[$true]] if the text is a number, otherwise [[$false]]. |
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| 6 | |||
| 7 | 4 | Per Amundsen | _Same as [[$isnum]]._ |
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| 9 | 1 | Per Amundsen | *Parameters* |
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| 11 | 2 | Per Amundsen | c - Enables 's' and 'd', partial TODO |
| 12 | d - Allows decimal numbers. |
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| 13 | 3 | Per Amundsen | e - Allows scientific (exponential) notations. |
| 14 | 2 | Per Amundsen | n - Allows regular numbers. |
| 15 | s - Allows leading + and minus signs. |
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| 16 | 1 | Per Amundsen | |
| 17 | *Example* |
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| 18 | |||
| 19 | <pre> |
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| 20 | ; Returns $false |
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| 21 | //echo -ag $isnumber(abc) |
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| 22 | |||
| 23 | ; Returns $true |
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| 24 | //echo -ag $isnumber(555) |
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| 25 | </pre> |