JENKINS-73658 Support regex for tag filter

src/main/java/net/uaznia/lukanus/hudson/plugins/gitparameter/GitParameterDefinition.java

@@ -381,9 +381,26 @@
     private Set<String> getTag(GitClient gitClient, String gitUrl) throws InterruptedException {
         Set<String> tagSet = new HashSet<>();
         try {
-            Map<String, ObjectId> tags = gitClient.getRemoteReferences(gitUrl, tagFilter, false, true);
+
+            Map<String, ObjectId> tags = null;
+
+            boolean isRegex = tagFilter != null && tagFilter.startsWith("/");
+            tags = gitClient.getRemoteReferences(gitUrl, isRegex ? "*" : tagFilter, false, true);
+
+            Pattern pattern = null;
+            if (isRegex) {
+                pattern = Pattern.compile(tagFilter.substring(1));
+            }
+
             for (String tagName : tags.keySet()) {
-                tagSet.add(tagName.replaceFirst(REFS_TAGS_PATTERN, ""));
+                tagName = tagName.replaceFirst(REFS_TAGS_PATTERN, "");
+                if (isRegex) {
+                    if (pattern.matcher(tagName).matches()) {
+                        tagSet.add(tagName);
+                    }
+                } else {
+                    tagSet.add(tagName);
+                }
             }
         } catch (GitException e) {
             LOGGER.log(Level.WARNING, getCustomJobName() + " " + Messages.GitParameterDefinition_getTag(), e);

src/main/resources/net/uaznia/lukanus/hudson/plugins/gitparameter/GitParameterDefinition/help-tagFilter.html

@@ -1,6 +1,7 @@
 <div>
     This parameter is used to get tag from git.<br/>
     If is blank, parameter is set to "*".<br/>
+    Regex patterns must be prefixed with a forward slash (ie /.*).<br/>
     Properly is executed command: <tt>git ls-remote -t &lt;repository&gt; "*"</tt> or <tt>git ls-remote -t &lt;repository&gt; "$tagFilter"</tt>.<br/>
     <a href="https://git-scm.com/docs/git-ls-remote.html">git-ls-remote</a> documentation.
 </div>