xBetweenText function

String xBetweenText (
  1. String text,
  2. String start,
  3. String end
)

Implementation

String xBetweenText(String text, String start, String end) {
  var str = text.toString();

  final startIndex = str.indexOf(start);
  final endIndex = str.indexOf(end, startIndex + start.length);

  return str.substring(startIndex + start.length, endIndex);
}