$isnumber » History » Version 2
Per Amundsen, 12/02/2021 02:06 AM
| 1 | 1 | Per Amundsen | _Added in 4.2_ |
|---|---|---|---|
| 2 | |||
| 3 | *$isnumber(text [, cdens])* |
||
| 4 | |||
| 5 | Returns [[$true]] if the text is a number, otherwise [[$false]]. |
||
| 6 | |||
| 7 | *Parameters* |
||
| 8 | |||
| 9 | 2 | Per Amundsen | c - Enables 's' and 'd', partial TODO |
| 10 | d - Allows decimal numbers. |
||
| 11 | e - Allows float/exponent numbers. |
||
| 12 | n - Allows regular numbers. |
||
| 13 | s - Allows leading + and minus signs. |
||
| 14 | 1 | Per Amundsen | |
| 15 | *Example* |
||
| 16 | |||
| 17 | <pre> |
||
| 18 | ; Returns $false |
||
| 19 | //echo -ag $isnumber(abc) |
||
| 20 | |||
| 21 | ; Returns $true |
||
| 22 | //echo -ag $isnumber(555) |
||
| 23 | </pre> |