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<?php $str = "this is a Test String to get the last index of word with an uppercase letter in PHP"; $pattern = "/.*\s([A-Z])(\w+)/"; //$pattern = "/.*\s([A-Z])[A-Z]+/"; preg_match($pattern, $str, $match); var_dump($match); $letter = $match[1]; $word = $match[1] . $match[2]; $position = strrpos($match[1].$match[2], $str); echo $letter . $word. $position;

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