hideNumber static method

String hideNumber(
  1. String str,
  2. {int start = 3,
  3. int end = 7,
  4. String replacement = '****'}
)

使用replacement隐藏第start到end的位数

Implementation

static String hideNumber(
  String str, {
  int start = 3,
  int end = 7,
  String replacement = '****',
}) {
  return str.replaceRange(start, end, replacement);
}