Format-like syntax getstringkeys();

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It'd be great if we could have getstringkeys() to use the Format-like syntax to filter what kind of results are shown. I'm sure it's been mentioned before - I'm certain I've seen it.

For all of you who don't know what I'm talking about:

PHP Code:

  //For integer filtering
  temp.foo = getStringKeys("temp.bar%i");
  
  //For string filtering
  temp.foo = getStringKeys("temp.bar%s");