Re: high % of capital letters in a string

Thanks Lars & Evan... much appreciated! Justin French on 07/06/02 2:13 PM, Lars Torben Wilson (torben@php.net) wrote: > On Thu, 2002-06-06 at 20:20, Justin French wrote: >> Hi, >> >> How would I determine if there was a high % (say > 40%) of capital letters >> in a string? I'm trying to think of a way of preventing endless use of >> capital letters in a message board, to stop YELLERS. >> >> Justin French >> -------------------- >> Creative Director >> http://Indent.com.au >> -------------------- > > One I wrote last year sometime: > > <?php > error_reporting(E_ALL); > > $strings = array('This is a test with only one cap.', > 'This One Has Some More', > 'AND THIS ONE IS SHOUTING'); > > function get_caps_pct($string) > { > $string = preg_replace('/[^a-z]/i', '', $string); > $non_caps = strlen(preg_replace('/[^A-Z]/', '', $string)); > $caps = strlen(preg_replace('/[A-Z]/', '', $string)); > return $caps ? ($non_caps / $caps) * 100 : 100; > } > > foreach ($strings as $string) > { > $pct = (int) get_caps_pct($string); > echo "Percentage of characters which are CAPITALS: $pct%\n"; > } > ?> > > Output: > > Percentage of characters which are CAPITALS: 4% > Percentage of characters which are CAPITALS: 38% > Percentage of characters which are CAPITALS: 100% > > > Cheers, > > Torben