containsInMiddle method

bool containsInMiddle(
  1. String pattern
)

Implementation

bool containsInMiddle(String pattern) {
  final index = indexOf(pattern);
  if (index == -1) return false;

  final isAtStart = index == 0;
  final isAtEnd = index + pattern.length == length;

  return !isAtStart && !isAtEnd;
}