Standardize pre-release version support in release script

Author: oschwald

dev-bin/release.sh

@@ -54,7 +54,7 @@ fi
 changelog=$(cat CHANGELOG.md)
 
 regex='
-## v([0-9]+\.[0-9]+\.[0-9]+(.[a-z0-9]+)?) \(([0-9]{4}-[0-9]{2}-[0-9]{2})\)
+## v([0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?) \(([0-9]{4}-[0-9]{2}-[0-9]{2})\)
 
 ((.|
 )*)
@@ -67,7 +67,7 @@ fi
 
 version="${BASH_REMATCH[1]}"
 date="${BASH_REMATCH[3]}"
-notes="$(echo "${BASH_REMATCH[4]}" | sed -n -E '/^## v[0-9]+\.[0-9]+\.[0-9]+/,$!p')"
+notes="$(echo "${BASH_REMATCH[4]}" | sed -n -E '/^## v[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?/,$!p')"
 
 echo "$notes"
 if [[ "$date" != "$(date +"%Y-%m-%d")" ]]; then