Fix pcre tests using global.

Author: wdamien

server/actions/regex/solve.php

@@ -79,7 +79,7 @@ function runTests($tests, $pattern, $modifiers, $global, $requestId) {
             // Stop capturing warnings.
             restore_error_handler();
 
-            if ($match === 1) {
+            if ($match > 0) {
                 $testResults[] = [
                     "id" => $id,
                     "i" => $matches[0][0][1],