using System.Text.RegularExpressions; static public bool RegexName(string str) { return Regex.IsMatch(str, @"^[\u4e00-\u9fa5_a-zA-Z0-9]+$"); }
using System.Text.RegularExpressions; static public bool RegexName(string str) { return Regex.IsMatch(str, @"^[\u4e00-\u9fa5_a-zA-Z0-9]+$"); }