Fix the regex to extract the notes.

Jenkinsfile.groovy

@@ -171,15 +171,15 @@ String get_changelog(repo_name) {
  */
 String extract(log_content, tag, gCube_release_version, component) {
     println "Changelong content: ${log_content}"
-    def matcher = "${log_content}" =~ /(?im)\([v${tag}\]\s\[r${gCube_release_version}\].*)\[v.*\]\s\[r.*\]/
+    def matcher = ("${log_content}" =~ /(?is)(\[v1\.1\.0\]\s+\[r4\.22\.0\](.+?))\[v.*\]/)
     if (!matcher.find()) {
          return 'NA'
     }
     assert matcher[0]: "Missing release notes for ${component}"
-    for (g in matcher) {
-        println "Group: $g"
+    for (i=0; i < matcher.getCount(); i++) {
+        println "notes matched in matcher[${i}]: '" + matcher[i][0] + "'"
     }
-    return matcher[0]
+    return matcher[0][0]
 }
 
 /**