Don't allow questions that have the same title but different punctuation such as a question mark or hyphen
33502
Remove Punctuation When Checking for Duplicate Titled Questions
131258
Dealing with bundle/omnibus/list-of-questions question that consists of rather distinct questions
67133
Is there a standard ordering for the question mark and the exclamation mark used together?
32895
How can I avoid asking duplicate questions?
27168
Featured questions feature cut text
143446
Punctuating a quoted question within a quoted statement
81316
Copy-paste from question to snippet
154856
Wording of "possible/exact duplicates" when closing the question
49488
Is it possible to search for punctuation/special characters?
24741
How to deal with abbreviations at the end of a question?
23867
Explicitly disadvise multiple questions per question in help/dont-ask
135258
Should "Title Says It All" questions be edited or closed?
137998
Ask question - Tags - partial placeholder text truncated
120728
Question mark or period?
8261
Using a question mark mid-sentence
91710
Suggested question scores do not line up with their titles
84428
Editing the question such that it answers itself