Current syntax, [-]?sort:<by>
Where, <by> is one of,
- created
- comments
- updated
- deadline

+sort:<by>, sort:<by> => asc
-sort:<by> => desc

@@ -116,0 +162,4 @@
+		// [-]sort:<by>,
+		// for example, sort:created / -sort:comments
+		case token.IsOf("sort:"):
+			o.SortBy = parseSortBy(token.Term[5:], token.Kind != BoolOptNot)

@@ -164,3 +160,1 @@
-	if len(tokens) > 0 {
-		q := bleve.NewBooleanQuery()
-		for _, token := range tokens {
+	if len(options.Tokens) != 0 {

@@ -187,2 +187,3 @@
-		queries = append(queries, q)
 	}
+	// TODO: replace with following with filters
+	// https://github.com/blevesearch/bleve/pull/2220

@@ -82,3 +64,2 @@
 			cond = builder.Or(
-				builder.Eq{"`index`": issueID},
-				cond,
+				db.BuildCaseInsensitiveLike("issue.name", options.Tokens[0].Term),

@@ -59,0 +60,4 @@
+    "repo.issues.filter_assignee_hint": "Filter by assigned user",
+    "repo.issues.filter_mention_hint": "Filter by mentioned user",
+    "repo.issues.filter_modified_hint": "Filter by last modified date",
+    "repo.issues.filter_sort_hint": "Filter by sort type; created/comments/updated/deadline",

@@ -93,6 +98,7 @@
     "migrate.forgejo.description": "Migrate data from codeberg.org or other Forgejo instances.",
     "repo.issue_indexer.title": "Issue Indexer",
     "search.milestone_kind": "Search milestones…",
+    "search.syntax": "Search Syntax",

@@ -21,0 +30,4 @@
+					<table class="tw-table-auto">
+						<tbody>
+							{{range $filter, $expl :=
+								dict

@@ -21,0 +39,4 @@
+									"review:<username>" "repo.issues.filter_mention_hint"
+									"mention:<username>" "repo.issues.filter_mention_hint"
+									"sort:<by>:[asc|desc]" "repo.issues.filter_sort_hint"
+									"modified:[>|<]<date>" "repo.issues.filter_mention_hint"}}

@@ -19,2 +19,4 @@
 		{{end}}
 	</div>
+	{{if not .PageIsMilestones}}
+		<a class="ui icon tw-px-4" id="search-syntax-button">{{svg "octicon-question"}}</a>

@@ -21,0 +24,4 @@
+			<article>
+				<header>
+					<span>{{ctx.Locale.Tr "search.syntax"}}</span>
+					<button class="ui button icon cancel tw-ml-auto">{{svg "octicon-x"}}</button>

@@ -116,0 +190,4 @@
+		case token.IsOf("author:"):
+			userNames = append(userNames, token.Term[7:])
+			userFilter = append(userFilter, userFilterAuthor)
+		case token.IsOf("assign:"):

@@ -116,0 +196,4 @@
+		case token.IsOf("review:"):
+			userNames = append(userNames, token.Term[7:])
+			userFilter = append(userFilter, userFilterReview)
+		case token.IsOf("mention:"):

@@ -236,7 +237,14 @@ function initArchivedLabelFilter() {
   });
 }
 
+function initSearchSyntaxModal() {