[DevTools] Added regex support in search for network tab

third_party/WebKit/Source/devtools/front_end/ui/FilterBar.js

Index: third_party/WebKit/Source/devtools/front_end/ui/FilterBar.js
diff --git a/third_party/WebKit/Source/devtools/front_end/ui/FilterBar.js b/third_party/WebKit/Source/devtools/front_end/ui/FilterBar.js
index 281deb6fa988f1abafb64348030df4321d04ce34..c6f2e44820c93d31c92a19a1faf222470e569490 100644
--- a/third_party/WebKit/Source/devtools/front_end/ui/FilterBar.js
+++ b/third_party/WebKit/Source/devtools/front_end/ui/FilterBar.js
@@ -265,6 +265,14 @@ WebInspector.TextFilterUI.prototype = {
     },
 
     /**
+     * @return {boolean}
+     */
+    isRegexChecked: function()
+    {
+        return this._supportRegex ? this._regexCheckBox.checked : false;
+    },
+
+    /**
      * @return {string}
      */
     value: function()
@@ -369,7 +377,7 @@ WebInspector.TextFilterUI.prototype = {
         this._regex = null;
         this._filterInputElement.classList.remove("filter-text-invalid");
         if (filterQuery) {
-            if (this._supportRegex && this._regexCheckBox.checked) {
+            if (this.isRegexChecked()) {
                 try {
                     this._regex = new RegExp(filterQuery, "i");
                 } catch (e) {