<([A-Z][A-Z0-9]*)\b[^>]*>(.*?)</\1>
Matches the opening and closing pair of a specific HTML tag that contain one or more letters and numbers and _.
<([A-Z][A-Z0-9]*)\b[^>]*>[a-zA-Z0-9_.-]+</\1>
(?<=(<pre>))(\w|\d|\n|[().,\-:;@#$%^&*\[\]"'+–/\/®°⁰!?{}|
~]| )+?(?=())`