unescapeHtml function
Unescape HTML entities back to characters.
Implementation
String unescapeHtml(String text) {
return text
.replaceAll('&', '&')
.replaceAll('<', '<')
.replaceAll('>', '>')
.replaceAll('"', '"')
.replaceAll(''', "'")
.replaceAll(''', "'")
.replaceAll('/', '/');
}