isByteString function

bool isByteString(
  1. String byStr,
  2. {int? length}
)

Implementation

bool isByteString(String byStr, {int? length}) {
  var str = byStr.startsWith(new RegExp(r'0x', caseSensitive: false))
      ? byStr.substring(2)
      : byStr;
  return validators.matches(str, '^[0-9a-fA-F]{${length}}') &&
      validators.isLength(str, length!, length);
}