Adding regex support to search bar in dev tools console

Source/devtools/front_end/searchable.css

Index: Source/devtools/front_end/searchable.css
diff --git a/Source/bindings/tests/idls/core/TestInterfaceDocument.idl b/Source/devtools/front_end/searchable.css
similarity index 95%
copy from Source/bindings/tests/idls/core/TestInterfaceDocument.idl
copy to Source/devtools/front_end/searchable.css
index 2a687e871a44bace871a2d7b65243bbbdedc7339..71ba6211613fb6695bf2b9c1c05652903f5ac8d0 100644
--- a/Source/bindings/tests/idls/core/TestInterfaceDocument.idl
+++ b/Source/devtools/front_end/searchable.css
@@ -28,5 +28,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-interface TestInterfaceDocument : Document {
-};
+.search-query-invalid {
+     background-color: rgb(255, 200, 200);
+ }