[DevTools] Added regex support to console filters.

Source/devtools/front_end/FilterBar.js

Index: Source/devtools/front_end/FilterBar.js
diff --git a/Source/devtools/front_end/FilterBar.js b/Source/devtools/front_end/FilterBar.js
index 368d98a8a36dd20baf7bffb14535ee1ff956114a..293e8e79ff64cfeb1ae1a4b001d184453e93cb56 100644
--- a/Source/devtools/front_end/FilterBar.js
+++ b/Source/devtools/front_end/FilterBar.js
@@ -159,9 +159,12 @@ WebInspector.FilterUI.prototype = {
  * @constructor
  * @implements {WebInspector.FilterUI}
  * @extends {WebInspector.Object}
+ * @param {boolean=} supportRegex
  */
-WebInspector.TextFilterUI = function()
+WebInspector.TextFilterUI = function(supportRegex)
 {
+    this._supportRegex = !!supportRegex;
+
     this._filterElement = document.createElement("div");
     this._filterElement.className = "filter-text-filter";
 
@@ -171,6 +174,17 @@ WebInspector.TextFilterUI = function()
     this._filterInputElement.addEventListener("mousedown", this._onFilterFieldManualFocus.bind(this), false); // when the search field is manually selected
     this._filterInputElement.addEventListener("input", this._onInput.bind(this), false);
     this._filterInputElement.addEventListener("change", this._onInput.bind(this), false);
+
+    if (this._supportRegex) {
+      this._regexCheckBox = this._filterElement.createChild("input");
+      this._regexCheckBox.type = "checkbox";
+      this._regexCheckBox.id = "text-filter-regex";
+      this._regexCheckBox.addEventListener("change", this._onInput.bind(this), false);
+
+      this._regexLabel = this._filterElement.createChild("label");
+      this._regexLabel.htmlFor = "text-filter-regex";
+      this._regexLabel.textContent = WebInspector.UIString("Regex");
+    }
 }
 
 WebInspector.TextFilterUI.prototype = {
@@ -215,7 +229,19 @@ WebInspector.TextFilterUI.prototype = {
         if (this._regex !== undefined)
             return this._regex;
         var filterQuery = this.value();
-        this._regex = filterQuery ? createPlainTextSearchRegex(filterQuery, "i") : null;
+
+        this._regex = null

[eustas, 2013/11/15 05:13:32]

semicolon missing

[Dmitry Zvorygin, 2013/11/15 10:39:12]

Done.

+        if (filterQuery) {
+            if (this._supportRegex && this._regexCheckBox.checked) {
+                try {
+                    this._regex = new RegExp(filterQuery, "i");
+                } catch (e) {
+                    // Silent catch

[eustas, 2013/11/15 05:13:32]

You must highlight field / show that regexp is not correct.

Otherwise users will be confused by this behavior.

[Dmitry Zvorygin, 2013/11/15 10:39:12]

Done.

+                }
+            } else {
+                this._regex = createPlainTextSearchRegex(filterQuery, "i");
+            }
+        }
         return this._regex;
     },