diff --git a/admin/tool/httpsreplace/classes/url_finder.php b/admin/tool/httpsreplace/classes/url_finder.php
index 734c4e1a1ea..152827ed96e 100644
--- a/admin/tool/httpsreplace/classes/url_finder.php
+++ b/admin/tool/httpsreplace/classes/url_finder.php
@@ -153,7 +153,7 @@ class url_finder {
 
                     if (in_array($column->type, $texttypes)) {
                         $columnname = $column->name;
-                        $select = "$columnname $regexp ?";
+                        $select = "LOWER($columnname) $regexp ?";
                         $rs = $DB->get_recordset_select($table, $select, [$httpurls]);
 
                         $found = array();
@@ -161,7 +161,7 @@ class url_finder {
                             // Regex to match src=http://etc. and data=http://etc.urls.
                             // Standard warning on expecting regex to perfectly parse HTML
                             // read http://stackoverflow.com/a/1732454 for more info.
-                            $regex = '#(src|data)\ *=\ *[\'\"]http://[^\s()<>]+(?:\([\w\d]+\)|([^[:punct:]\s]|/))[\'\"]#';
+                            $regex = '#(src|data)\ *=\ *[\'\"]http://[^\s()<>]+(?:\([\w\d]+\)|([^[:punct:]\s]|/))[\'\"]#i';
                             preg_match_all($regex, $record->$columnname, $match);
                             foreach ($match[0] as $url) {
                                 if (strpos($url, $CFG->wwwroot) !== false) {
diff --git a/admin/tool/httpsreplace/tests/httpsreplace_test.php b/admin/tool/httpsreplace/tests/httpsreplace_test.php
index bcccff8f051..07bb5ae216f 100644
--- a/admin/tool/httpsreplace/tests/httpsreplace_test.php
+++ b/admin/tool/httpsreplace/tests/httpsreplace_test.php
@@ -74,6 +74,11 @@ class httpsreplace_test extends \advanced_testcase {
                 "outputregex" => '/^$/',
                 "expectedcontent" => '<img src="https://anothersite.com?param=http://asdf.com">',
             ],
+            "Search for params should be case insensitive" => [
+                "content" => '<object DATA="' . $this->getExternalTestFileUrl('/test.swf', false) . '">',
+                "outputregex" => '/UPDATE/',
+                "expectedcontent" => '<object DATA="' . $this->getExternalTestFileUrl('/test.swf', true) . '">',
+            ],
             "More params should not interfere" => [
                 "content" => '<img alt="A picture" src="' . $this->getExternalTestFileUrl('/test.png', false) . '" width="1”><p style="font-size: \'20px\'"></p>',
                 "outputregex" => '/UPDATE/',