$isnum » History » Version 1
Per Amundsen, 05/09/2022 07:36 PM
| 1 | 1 | Per Amundsen | _Added in 4.3_ |
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| 2 | |||
| 3 | *$isnum(text [, cdens])* |
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| 5 | Returns [[$true]] if the text is a number, otherwise [[$false]]. |
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| 6 | |||
| 7 | _Same as [[$isnumber]]._ |
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| 8 | |||
| 9 | *Parameters* |
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| 10 | |||
| 11 | c - Enables 's' and 'd', partial TODO |
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| 12 | d - Allows decimal numbers. |
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| 13 | e - Allows scientific (exponential) notations. |
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| 14 | n - Allows regular numbers. |
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| 15 | s - Allows leading + and minus signs. |
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| 16 | |||
| 17 | *Example* |
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| 19 | <pre> |
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| 20 | ; Returns $false |
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| 21 | //echo -ag $isnum(abc) |
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| 22 | |||
| 23 | ; Returns $true |
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| 24 | //echo -ag $isnum(555) |
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| 25 | </pre> |