Allow regex parentheses (#6926)

* Allow regex parentheses
While waiting for a new better search parser, auto-escape parentheses in regex expressions to allow them like in `/^(ab|cd)/`

* Allow escaped parenthesis in regex

* A couple more tests

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/app/Models/SearchTest.php b/tests/app/Models/SearchTest.php
index 3092b43ca..403c2c98e 100644
--- a/tests/app/Models/SearchTest.php
+++ b/tests/app/Models/SearchTest.php
@@ -454,6 +454,21 @@ class SearchTest extends PHPUnit\Framework\TestCase {
 				'AND ((e.title LIKE ? AND e.title NOT LIKE ? AND e.content NOT LIKE ? AND e.title NOT LIKE ? AND e.content NOT LIKE ? ))',
 				['%ab%', '%ab%', '%cd%', '%cd%', '%ef%', '%ef%', '%gh%', '%ij%', '%ij%', '%kl%', '%kl%']
 			],
+			[
+				'/^(ab|cd) [(] \\) (ef|gh)/',
+				'((e.title ~ ? OR e.content ~ ?) )',
+				['^(ab|cd) [(] \\) (ef|gh)', '^(ab|cd) [(] \\) (ef|gh)']
+			],
+			[
+				'!/^(ab|cd)/',
+				'(NOT e.title ~ ? AND NOT e.content ~ ? )',
+				['^(ab|cd)', '^(ab|cd)']
+			],
+			[
+				'intitle:/^(ab|cd)/',
+				'(e.title ~ ? )',
+				['^(ab|cd)']
+			],
 		];
 	}