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Re: Curious to see alternate approach on a search/replace via regex

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On Fri, Feb 8, 2013 at 4:43 AM, Steven D'Aprano
<steve+comp.lang.python@pearwood.info> wrote:
> Ian Kelly wrote:
> Surely that depends on the size of the pattern, and the size of the data
> being worked on.

Natually.

> Compiling the pattern "s[ai]t" doesn't take that much work, it's only six
> characters and very simple. Applying it to:
>
> "sazsid"*1000000 + "sat"
>
> on the other hand may be a tad expensive.
>
> Sweeping generalities about the cost of compiling regexes versus searching
> with them are risky.

I was referring to the specific timing measurements I made earlier in
this thread, not generalizing.

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Re: Curious to see alternate approach on a search/replace via regex Demian Brecht <demianbrecht@gmail.com> - 2013-02-06 13:55 -0800
  Re: Curious to see alternate approach on a search/replace via regex Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-02-07 03:04 +0000
    Re: Curious to see alternate approach on a search/replace via regex rh <richard_hubbe11@lavabit.com> - 2013-02-06 19:31 -0800
      Re: Curious to see alternate approach on a search/replace via regex Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-02-08 09:45 +1100
        Re: Curious to see alternate approach on a search/replace via regex rh <richard_hubbe11@lavabit.com> - 2013-02-07 15:13 -0800
          Re: Curious to see alternate approach on a search/replace via regex Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-02-08 10:59 +1100
            Re: Curious to see alternate approach on a search/replace via regex Ian Kelly <ian.g.kelly@gmail.com> - 2013-02-07 17:55 -0700
              Re: Curious to see alternate approach on a search/replace via regex Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-02-08 14:02 +1100
                Re: Curious to see alternate approach on a search/replace via regex rh <richard_hubbe11@lavabit.com> - 2013-02-07 21:35 -0800
            Re: Curious to see alternate approach on a search/replace via regex Ian Kelly <ian.g.kelly@gmail.com> - 2013-02-07 18:08 -0700
            Re: Curious to see alternate approach on a search/replace via regex rh <richard_hubbe11@lavabit.com> - 2013-02-07 21:57 -0800
            Re: Curious to see alternate approach on a search/replace via regex Ian Kelly <ian.g.kelly@gmail.com> - 2013-02-08 01:21 -0700
              Re: Curious to see alternate approach on a search/replace via regex Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-02-08 22:43 +1100
                Re: Curious to see alternate approach on a search/replace via regex Ian Kelly <ian.g.kelly@gmail.com> - 2013-02-08 09:26 -0700
            Re: Curious to see alternate approach on a search/replace via regex Serhiy Storchaka <storchaka@gmail.com> - 2013-02-15 22:58 +0200
            Re: Curious to see alternate approach on a search/replace via regex rh <richard_hubbe11@lavabit.com> - 2013-02-26 11:20 -0800
        Re: Curious to see alternate approach on a search/replace via regex Dave Angel <davea@davea.name> - 2013-02-08 01:27 -0500
    Re: Curious to see alternate approach on a search/replace via regex jmfauth <wxjmfauth@gmail.com> - 2013-02-07 03:08 -0800
      Re: Curious to see alternate approach on a search/replace via regex Chris Angelico <rosuav@gmail.com> - 2013-02-07 23:44 +1100

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