public class AustraliaMobileFixing { private readonly string FullMobileFormat = @"^04\d{8}$"; private readonly string MobileFormat = @"^\d{8}$"; public string FixAuMobile(string mobileNumber) { if (mobileNumber.IsNotNullOrEmpty()) { if (Regex.IsMatch(mobileNumber,MobileFormat,RegexOptions.IgnoreCase,TimeSpan.FromMilliseconds(250))) { IConfigureTheSite siteConfig=new SiteConfiguration(); return Regex.Replace((siteConfig.GetValue("AustraliaMobilePrefix") + mobileNumber),@"\s+",string.Empty); } } return mobileNumber; } } 原文链接：https://www.f2er.com/regex/361760.html