Template:Is number/doc
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 | This is a documentation subpage for Template:Is number. It contains usage information, categories and other content that is not part of the original template page. |
 | This template is used on approximately 125,000 pages. To avoid major disruption and server load, any changes should be tested in the template's /sandbox or /testcases subpages, or in your own user subpage. The tested changes can be added to this page in a single edit. Consider discussing changes on the talk page before implementing them. |
Usage
[edit]{{is number|some input}}
Returns 1 if given a number, otherwise an empty string.