Regular Expressions 101

Community Patterns

帐号是否合法(字母开头,允许5-16字节,允许字母数字下划线组合

0

Regular Expression
ECMAScript (JavaScript)

/
^[a-zA-Z]\w{4,15}$
/

Description

帐号是否合法(字母开头,允许5-16字节,允许字母数字下划线组合

Submitted by anonymous - 4 years ago