Add regex toggle for WebUI torrent filtering

PR #20566.

src/webui/www/private/css/style.css

@@ -409,6 +409,37 @@ a.propButton img {
     padding: 4px 4px 4px 25px;
 }
 
+#torrentsFilterRegexBox {
+    display: none;
+}
+
+#torrentsFilterRegexBox + label {
+    background-image: url("../images/regex.svg");
+    background-position: center;
+    background-repeat: no-repeat;
+    background-size: 1.5em;
+    border: 1px solid var(--color-border-default);
+    border-radius: 4px;
+    display: inline-block;
+    height: 26px;
+    margin-bottom: -9px;
+    width: 26px;
+}
+
+#torrentsFilterRegexBox:checked + label {
+    background-color: var(--color-background-default);
+    background-image: url("../images/regex.svg");
+    background-position: center;
+    background-repeat: no-repeat;
+    background-size: 1.5em;
+    border: 1px solid var(--color-accent-blue);
+    border-radius: 4px;
+    display: inline-block;
+    height: 26px;
+    margin-bottom: -9px;
+    width: 26px;
+}
+
 #torrentFilesFilterToolbar {
     float: right;
     margin-right: 30px;

src/webui/www/private/images/regex.svg

@@ -0,0 +1 @@
+<svg height="32" viewBox="0 0 32 32" width="32" xmlns="http://www.w3.org/2000/svg"><path d="M 19.355469 21.824219 L 19.355469 14.433594 L 13.265625 18.164062 L 11.117188 14.425781 L 17.472656 10.945312 L 11.117188 7.417969 L 13.277344 3.746094 L 19.355469 7.460938 L 19.355469 0.0390625 L 23.695312 0.0390625 L 23.695312 7.460938 L 29.828125 3.746094 L 32 7.417969 L 25.617188 10.945312 L 32 14.425781 L 29.820312 18.179688 L 23.695312 14.433594 L 23.695312 21.824219 Z M 9.074219 27.425781 C 9.074219 23.945312 5.28125 21.757812 2.261719 23.5 C -0.753906 25.238281 -0.753906 29.609375 2.261719 31.351562 C 5.28125 33.089844 9.074219 30.902344 9.074219 27.425781 Z M 9.074219 27.425781" fill="#1e90ff"/></svg>

src/webui/www/private/index.html

@@ -130,6 +130,8 @@
                 </div>
                 <div id="torrentsFilterToolbar">
                     <input type="text" id="torrentsFilterInput" placeholder="QBT_TR(Filter torrent list...)QBT_TR[CONTEXT=MainWindow]" autocorrect="off" autocapitalize="none" />
+                    <input type="checkbox" id="torrentsFilterRegexBox">
+                    <label for="torrentsFilterRegexBox"></label>
                 </div>
             </div>
         </div>

src/webui/www/private/scripts/client.js

@@ -1460,6 +1460,9 @@ window.addEventListener("DOMContentLoaded", function() {
             torrentsTable.updateTable();
         }, window.qBittorrent.Misc.FILTER_INPUT_DELAY);
     });
+    $('torrentsFilterRegexBox').addEvent('change', () => {
+        torrentsTable.updateTable();
+    });
 
     $('transfersTabLink').addEvent('click', showTransfersTab);
     $('searchTabLink').addEvent('click', showSearchTab);

src/webui/www/private/scripts/dynamicTable.js

@@ -1437,9 +1437,16 @@ window.qBittorrent.DynamicTable = (function() {
                 }
             }
 
-            if ((filterTerms !== undefined) && (filterTerms !== null)
-                && (filterTerms.length > 0) && !window.qBittorrent.Misc.containsAllTerms(name, filterTerms))
+            if ((filterTerms !== undefined) && (filterTerms !== null)) {
+                if (filterTerms instanceof RegExp) {
+                    if (!filterTerms.test(name))
                         return false;
+                }
+                else {
+                    if ((filterTerms.length > 0) && !window.qBittorrent.Misc.containsAllTerms(name, filterTerms))
+                        return false;
+                }
+            }
 
             return true;
         },
@@ -1471,8 +1478,11 @@ window.qBittorrent.DynamicTable = (function() {
             const filteredRows = [];
 
             const rows = this.rows.getValues();
+            const useRegex = $('torrentsFilterRegexBox').checked;
             const filterText = $('torrentsFilterInput').value.trim().toLowerCase();
-            const filterTerms = (filterText.length > 0) ? filterText.split(" ") : null;
+            const filterTerms = (filterText.length > 0)
+                ? (useRegex ? new RegExp(filterText) : filterText.split(" "))
+                : null;
 
             for (let i = 0; i < rows.length; ++i) {
                 if (this.applyFilter(rows[i], selected_filter, selected_category, selectedTag, selectedTracker, filterTerms)) {

src/webui/www/webui.qrc

@@ -338,6 +338,7 @@
         <file>private/images/queued.svg</file>
         <file>private/images/ratio.svg</file>
         <file>private/images/reannounce.svg</file>
+        <file>private/images/regex.svg</file>
         <file>private/images/set-location.svg</file>
         <file>private/images/slider-area.gif</file>
         <file>private/images/slow.svg</file>