So it pulls exclamation marks. . .angle brackets maybe?

    “=“ <> “!=“

▲ magicalhippo an hour ago | parent | next [-]

It removes a lot of things when posting, but submitter can edit and put them back.

Most filters are to avoid sensational titles, AFAIK.

▲ kleiba2 2 hours ago | parent | prev [-]

UTF8 to the rescue: ≠

Fun fact, pascal uses <> for inequality

	▲	adrianmonk 16 minutes ago \| parent \| next [-]
		So does BASIC. It might even be the first, although it's hard to be sure. BASIC[1] came out in 1964, and Pascal[2] came out in 1970. --- [1] https://en.wikipedia.org/wiki/Dartmouth_BASIC [2] https://en.wikipedia.org/wiki/Pascal_(programming_language)
	▲	dgellow an hour ago \| parent \| prev [-]
		Sql too