Re: Bad uses of patterns (was: Re: Feature request: names for constants)

[Tim Hill <drtimhill@...>]

> On Sep 24, 2015, at 9:45 AM, Soni L. <fakedme@gmail.com> wrote:
> 
> 
> 
> On 24/09/15 12:39 PM, Dirk Laurie wrote:
>> Consider the following code:
>> 
>> local trim_pattern = "^%s*(.*%S)%s*$"
>> 
> Wouldn't it be faster if you trimmed at start, reversed, then trimmed at start again? (or maybe at start, then at end?)
> 
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> 
> 

It would be faster (by a wide margin) to have a C function do it.

—Tim