[pmwiki-users] Search for terms with ss and ß

[Petko Yotov]

Yes, I have this already. Here is the new recipe:

   https://www.pmwiki.org/wiki/Cookbook/UnaccentUTF8

Not sure if it will be enough for you as it also folds to lowercase. But 
you can copy this  function and adapt it. Maybe simply remove ":: 
Lower();" from the argument, or review the documentation for the 
Intl/Transliterator class at php.net.

Petko


On 03/02/2023 15:29, Hans Bracker wrote:
>> utf8fold() uses the $StringFolding array which defines "ß" 
>> ("\xc3\x9f") as "ss".
> 
>> Normally you should use the global $StrFoldFunction(terms) to fold 
>> your search terms - this ensures you use the same function as the one 
>> that is used when storing the page index data.
> 
>> I recently wrote a function what replaces accented letters with plain 
>> ones, so you can search for "voilà" or "voila" and it will find both 
>> (also in Cyrillic).
> 
> Ah , I understand, thank you! Looking forward to see your function!
...
> I'll need something rather than the $ISO88591MakePageNamePatterns
> array, converted to UTF-8, with entries like
>  '/è/' => 'e',   '/é/' => 'e',   '/ê/' => 'e',   '/ë/' => 'e',
> (see https://www.pmwiki.org/wiki/Cookbook/ISO8859MakePageNamePatterns
> for that array).
> So I might just do that, or perhaps you got that already?