'abc"def'
 1- Got a match: delimiter was {'}, body was {abc"def}
 2- No match.

'abc'
 1- Got a match: delimiter was {'}, body was {abc}
 2- No match.

"abc"
 1- Got a match: delimiter was {"}, body was {abc}
 2- No match.

''
 1- Got a match: delimiter was {'}, body was {}
 2- No match.

'abc'def'
 1- Got a match: delimiter was {'}, body was {abc'def}
 2- No match.

'This shouldn't match'
 1- Got a match: delimiter was {'}, body was {This shouldn't match}
 2- No match.

"This isn't a problem"
 1- Got a match: delimiter was {"}, body was {This isn't a problem}
 2- No match.

"abc
 1- No match.
 2- No match.

abc"
 1- No match.
 2- No match.

abc
 1- No match.
 2- No match.

'abc"
 1- No match.
 2- No match.

'ab''
 1- Got a match: delimiter was {'}, body was {ab'}
 2- No match.