in reply to This checks there is at least one digit, among other things...
in thread Replacing numbers using regular expression
A trailing decimal point with nothing to the right customarily says that trailing zeros of an integer are significant figures,
| 1230 | Three significant figures |
| 1230. | Four significant figures |
There is nothing odd or unexpected about using that notation even where it is not needed.
After Compline,
Zaxo
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