replacePunctuationWithWhiteSpace method Null safety
Replace all punctuation in the String with whitespace.
Implementation
String replacePunctuationWithWhiteSpace() =>
replaceAll(RegExp(EnglishConstants.reSentenceEndingSelector), ' ')
.replaceAll(RegExp(EnglishConstants.rePunctuationSelector), ' ')
// replace all brackets and carets with _kTokenDelimiter.
.replaceAll(RegExp(EnglishConstants.reBracketsAndCarets), ' ')
// replace all repeated white-space with a single white-space.
.replaceAll(RegExp(r'(\s{2,})'), ' ');