Prevent title contains:
"bstage-" as prefix
/ \ & _ | ? * " '

TEST CASE	RESULT
title	okay
bstage-title	fail
bstage_title	fail
bstagetitle	okay
title_name	fail
title-name	okay
title/name	fail
title\name	fail
title&name	fail
title\|name	fail
title?name	fail
title*name	fail
title"name	fail
title'name	fail
title name	okay
Testing Title	okay
Testing Title *	fail
Testing Title "	fail
Testing Title '	fail
Testing Title ?	fail
Testing Title \|	fail
Testing Title _	fail
Testing Title &	fail
Testing Title /	fail
Testing Title \	fail