Question

必须由6到10个字符组成的字符串的正则表达式怎么写？

Answer 1

const string pattern = @"^\w{6,10}$"; // 允许6-10个可见字符
const string pattern = @"^[a-zA-Z]{6,10}$"; // 允许6-10个英文字符
const string pattern = @"^[\da-zA-Z]{6,10}$"; // 允许6-10个英文字符或者数字
const string pattern = @"^\d{6,10}$"; // 允许6-10个数字

Regex regex = new Regex(pattern, RegexOptions.Singleline | RegexOptions.Compiled)

Answer 2

^[\s\S]{6,10}$

Answer 3

^\w{6,10}$