How to rewrite these

[Edho P Arief]

On Sat, Feb 20, 2010 at 8:45 PM, Glen Lumanau <glen at lumanau.web.id> wrote:
> Is that posibble to detect if (.+) is numbers only?
>

yes.

the method should be mentioned in any guide about regular expressions.
Which includes this [1] and this [2].

[1] http://www.regextester.com/pregsyntax.html

[2] http://www.regular-expressions.info/reference.html

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