Commit 162bb5d1 authored by sjerdo's avatar sjerdo Committed by Jakob Perry
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Issue #3152792 by sjerdo: Solution is reset for form IDs containing a dash

parent 483dfcf3
......@@ -101,7 +101,7 @@ class Captcha extends FormElement implements ContainerFactoryPluginInterface {
// Get the form ID of the form we are currently processing (which is not
// necessary the same form that is submitted (if any).
$this_form_id = isset($complete_form['form_id']['#value']) ?
preg_replace("/[^a-z0-9_]/", "", (string) $complete_form['form_id']['#value'])
preg_replace("/[^a-z0-9_-]/", "", (string) $complete_form['form_id']['#value'])
// Get the CAPTCHA session ID.
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