- [ ] Move `puncExpr`, below, into a constant, as it's a static value, which directly relates to `punctuationChars`.
```js
PUNCTUATION_REGEX = [
	'(^|\\s+)[' + PUNCTUATION_CHARS + ']+',
	'[' + PUNCTUATION_CHARS + ']+\\s+[' + PUNCTUATION_CHARS + ']+',
	'[' + PUNCTUATION_CHARS + ']+(\\s+|$)'
].join('|');
```