📜  用户名正则表达式 - 任何代码示例

📅  最后修改于: 2022-03-11 14:58:57.584000             🧑  作者: Mango

代码示例3
# works in most newer browsers
^(?=.{8,20}$)(?![_.])(?!.*[_.]{2})[a-zA-Z0-9._]+(?