Re: [Boost-users] String algorithm? Removing non-alphanumerics from a string

Subject: Re: [Boost-users] String algorithm? Removing non-alphanumerics from a string
From: Jens Weller (JensWeller_at_[hidden])
Date: 2013-10-22 07:14:28

 
 

> Gesendet:Â Freitag, 18. Oktober 2013 um 20:05 Uhr
> Von:Â "Tim Burgess" <tim_at_[hidden]>
> An:Â "'boost-users list'" <boost-users_at_[hidden]>
> Betreff:Â [Boost-users] String algorithm? Removing non-alphanumerics from a string
> 
> Hi,
> Â 
> Takeing an std::string as input, I need to return the same string with any characters not in the ranges “az”, “AZ” and “09” being discarded. A colleague told me that a could use something in the string algorithm library, but I’m obviously not spotting what I need. I tried regex replace, but failed, as I’m not understanding regular expressions yet.
> Â 
> Any and all suggestions would be gratefully received.
> Â 
> Best wishes.
> Â 
> Tim Burgess

std::remove_if with a predicate?
Maybe std::isalnum would already do the job...

kind regards,

Jens Weller