utul test file

~papa
     ~papa
~papa blah blah
blah blah ~papa
blah ~papa blah

~papa@example.org
     ~papa@example.org
~papa@example.org blah blah
blah blah ~papa@example.org
blah ~papa@example.org blah

~papa@example.org blah ~abc123 blah ~user@example.org