Non greedy version of the regex.

Jenkinsfile.groovy

@@ -171,15 +171,12 @@ String get_changelog(repo_name) {
  */
 String extract(log_content, tag, gCube_release_version, component) {
     println "Changelong content: ${log_content}"
-    def matcher = ("${log_content}" =~ /(?is)(\[v$tag]\s+\[r$gCube_release_version\](.+?))\[v.*\]/)
+    def matcher = ("${log_content}" =~ /(?is)(\[v$tag]\s+\[r$gCube_release_version\].*?)##\s+\[v.*?\]/)
     if (!matcher.find()) {
          return 'NA'
     }
-    assert matcher[0]: "Missing release notes for ${component}"
-    for (i=0; i < matcher.getCount(); i++) {
-        println "notes matched in matcher[${i}]: '" + matcher[i][0] + "'"
-    }
-    return matcher[0][0]
+    assert matcher[0][1]: "Missing release notes for ${component}"
+    return matcher[0][1]
 }
 
 /**