The common number segment is as follows:
China Mobile: 134.135.136.137.138.139.150.151.152.157.158.159.187.188, 147 (data card)
China Unicom: 130.131.132.155.156.185.186
China Telecom: 133.153.180.189
CDMA: 133,153
The regular expression is as follows:
/// <Summary>
/// Match mobile phone number
/// </Summary>
Public const string pattern_cmcmobilenum = @ "^ 1 (3 [4-9] | 5 [012789] | 8 [78]) \ D {8} $ ";
/// <Summary>
/// Match Telecom mobile phone number
/// </Summary>
Public const string pattern_ctcmobilenum = @ "^ 18 [09] \ D {8} $ ";
/// <Summary>
/// Match China Unicom mobile phone number
/// </Summary>
Public const string pattern_cutmobilenum = @ "^ 1 (3 [0-2] | 5 [56] | 8 [56]) \ D {8} $ ";
/// <Summary>
/// Match the CDMA mobile phone number
/// </Summary>
Public const string pattern_cdmamobilenum = @ "^ 1 [35] 3 \ D {8} $ ";
From:Http://hi.baidu.com/jiang_yy_jiang/blog/item/32cbb1ec6febcddb2f2e21b9.html