FO1140,45^BY3^BQN,2,6^FDMM,A1PLMBT3904LT1G$1TLA2147000A092$9D2148$Q30000000$SLA9121468FF40QA$A3360300880^FS^PQLEN000,0,1,Y
string pattern2 = @"SLA(?<a>.*)\$"; Match m2 = Regex.Match(s2,pattern2); if(m2.Success) { MessageBox.Show(m2.Groups["a"].Value); }
结果:9121468FF40QA
以SLA开头,$结束的信息