string[] parts = str.Split (seps);
.
string[] parts = str.Split(seps, StringSplitOptions.RemoveEmptyEntries);
.
:
:
| | | | |
, , - , "" , .
, , . , Split () " 100" , "" "100". , "" ( ), " ".
, , , 10 + 5, , .
// .
Using System;
class TokenizeDemo { static void Main() { string[] input = {
"100 + 19",
"100 / 3,3",
_3 * 9..r
"100 - 87"
};
char[] seps = {' '};
for (int i=0; i < input.Length; i++) {
//
string[] parts = input[i].Split(seps);
Console.Write(": ");
for (int j=0; j < parts.Length; j++)
Console.Write(parts[j] + " ");
Console.Write(", : "); double n = Double.Parse(parts[0]); double n2 = Double.Parse(parts[2]);
switch(parts[1]) { case
Console.WriteLine(n + n2); break; case
Console.WriteLine (n - n2); break; case
Console.WriteLine(n * n2); break; case "/":
Console.WriteLine(n / n2); break;
}
}
}
}
.
: 100 + 19, : 119
: 100 / 3,3, : 30,3030303030303
: -3*9, : -27
: 100 - 87, : 13
4.0, .NET Framework Join ().
public static string Join(string separator, params object[] values) public static string Join(string separator, IEnumerable<string>[] values) public static string Join<T>(string separator, IEnumerable<T>[] values)
, values. , , values. , , values. , separator.
|
|
|
. . , "print'7, . . , , . , , , . C# .
Trim ().
Public string Trim()
public string Trim(params char[] trimChars)
Trim () . trimChars. .
. PadLef t ().
public string PadLeft(int totalWidth)
public string PadLeft(int totalWidth, char paddingChar)
PadLef t () , totalWidth. , paddingChar, , totalWidth. . totalWidth , .
PadRight ().
public string PadRight(int totalWidth)
public string PadRight(int totalWidth, char paddingChar)
PadLef t () , totalWidth.
, paddingChar, , totalWidth.B . totalWidth , .
