It can be like this, provided that the divisor is a comma.
string[] readText = File.ReadAllLines(path);//ΡΡΠΈΡΡΠ²Π°Π΅ΠΌ Π²ΡΠ΅ ΡΡΡΠΎΠΊΠΈ Π² ΠΌΠ°ΡΡΠΈΠ² List<string[]> res = new List<string[]>(); foreach (var line in readText)//ΠΏΠ΅ΡΠ΅Π±ΠΈΡΠ°Π΅ΠΌ ΡΡΡΠΎΠΊΠΈ ΠΌΠ°ΡΡΠΈΠ²Π° { res.Add(line.Split(','));//ΠΠ°ΠΆΠ΄ΡΡ ΡΡΡΠΎΠΊΡ ΡΠΏΠ»ΠΈΡΠΈΠΌ ΠΈ ΠΏΠΎΠΌΠ΅ΡΠ°Π΅ΠΌ Π² ΡΠΏΠΈΡΠΎΠΊ ΠΌΠ°ΡΡΠΈΠ²ΠΎΠ². }
If you do without a list, it will look something like this:
string[] readText = File.ReadAllLines(path);//ΡΡΠΈΡΡΠ²Π°Π΅ΠΌ Π²ΡΠ΅ ΡΡΡΠΎΠΊΠΈ Π² ΠΌΠ°ΡΡΠΈΠ² string[][] res=new string[readText.Length][]; int i = 0; foreach (var line in readText)//ΠΏΠ΅ΡΠ΅Π±ΠΈΡΠ°Π΅ΠΌ ΡΡΡΠΎΠΊΠΈ ΠΌΠ°ΡΡΠΈΠ²Π° { res[i] = line.Split(','); i++; }