模板:Valid

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Purpose

Determines whether something is valid in a certain context. Currently only implemented for determining if a number is within the precision that wikipedia expressions can handle.

Returns

true if the argument is valid, false if it is not.

Examples

{{valid|number=A}} = (not a number)

{{valid|number=1234}} =

{{valid|number=+1234}} =

{{valid|number=-1234}} =

{{valid|number=(1234)}} = (one pair of parenthesis is allowed)

{{valid|number=--1234}} = (incorrect sign use)

{{valid|number=1234567890}} =

{{valid|number=12345678901234567890}} = (too large)

{{valid|number=1.234567890}} =

{{valid|number=1.2345678901234567890}} = (too many decimals)

上述文档嵌入自Template:Valid/doc。 (编辑 | 历史)
编者可以在本模板的沙盒 (创建 | 镜像)和测试样例 (创建)页面进行实验。
请在/doc子页面中添加分类。 本模板的子页面。