matchesFormat static method

bool matchesFormat(
  1. String data
)

Implementation

static bool matchesFormat(String data) {
  if (data.length < 13 || !data.startsWith('data:')) return false;

  var idx = data.indexOf(',');
  if (idx < 12) return false;

  var base64 = data.substring(idx - 7, idx);
  if (base64 != ';base64') return false;

  return true;
}