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Groups > comp.lang.c++ > #14527
| From | Miles Bader <miles@gnu.org> |
|---|---|
| Newsgroups | comp.lang.c++ |
| Subject | Re: Testing for Numeric Digits |
| Date | 2012-02-27 10:23 +0900 |
| Message-ID | <87aa45ax37.fsf@catnip.gol.com> (permalink) |
| References | <MPG.29b45a9820e6ae9a9896f9@news.eternal-september.org> |
mrc2323@cox.net (Mike Copeland) writes:
> I know that I could examine the contents of the "wStr" string
> character-by-character to test if each character is a digit character,
> but that seems slow and inefficient. Is there a better way to do such
> processing? Thoughts? TIA
if (wStr.find_first_not_of ("0123456789") == string::npos)
=> All chars are digits
[Most efficient? I dunno. But reasonably concise...]
-miles
--
Alone, adj. In bad company.
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Testing for Numeric Digits mrc2323@cox.net (Mike Copeland) - 2012-02-26 15:05 -0700
Re: Testing for Numeric Digits Ian Collins <ian-news@hotmail.com> - 2012-02-27 11:11 +1300
Re: Testing for Numeric Digits Ian Collins <ian-news@hotmail.com> - 2012-02-27 11:22 +1300
Re: Testing for Numeric Digits Paul <pchristor@yahoo.co.uk> - 2012-02-26 16:45 -0800
Re: Testing for Numeric Digits "MikeWhy" <boat042-nospam@yahoo.com> - 2012-02-28 03:17 -0600
Re: Testing for Numeric Digits Paul <pchristor@yahoo.co.uk> - 2012-02-28 03:30 -0800
Re: Testing for Numeric Digits Marc <marc.glisse@gmail.com> - 2012-02-28 15:19 +0000
Re: Testing for Numeric Digits "MikeWhy" <boat042-nospam@yahoo.com> - 2012-02-28 11:04 -0600
Re: Testing for Numeric Digits Andy Champ <no.way@nospam.invalid> - 2012-02-28 20:44 +0000
Re: Testing for Numeric Digits Miles Bader <miles@gnu.org> - 2012-02-27 10:23 +0900
Re: Testing for Numeric Digits scott@slp53.sl.home (Scott Lurndal) - 2012-02-27 17:22 +0000
Re: Testing for Numeric Digits Dombo <dombo@disposable.invalid> - 2012-02-27 20:29 +0100
Re: Testing for Numeric Digits Quint Rankid <qbr567@gmail.com> - 2012-02-28 11:43 -0800
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