using System;
using System.Linq;
public class Test
{
public static void Main()
{
var str = "105, c#, vb, 345, 53, sql51";
var res = str
.Split(new[] {',', ' '})
.Where(s => s.Any(c => !Char.IsDigit(c)))
.ToList();
foreach (var s in res) {
Console.WriteLine(s);
}
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uTGlucTsKCnB1YmxpYyBjbGFzcyBUZXN0CnsKCXB1YmxpYyBzdGF0aWMgdm9pZCBNYWluKCkKCXsKICAgIHZhciBzdHIgPSAiMTA1LCBjIywgdmIsIDM0NSwgNTMsIHNxbDUxIjsKICAgIHZhciByZXMgPSBzdHIKICAgICAgICAuU3BsaXQobmV3W10geycsJywgJyAnfSkKICAgICAgICAuV2hlcmUocyA9PiBzLkFueShjID0+ICFDaGFyLklzRGlnaXQoYykpKQogICAgICAgIC5Ub0xpc3QoKTsKICAgIGZvcmVhY2ggKHZhciBzIGluIHJlcykgewogICAgICAgIENvbnNvbGUuV3JpdGVMaW5lKHMpOwogICAgfQoJfQp9