1 개요
- charAt
- characterAtIndex
- Returns character at index in the string.
- Equivalent: See substring of length 1 character.
2 ALGOL 68
html
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"Hello, World"[2]; // 'e'
3 C++
C++ .at() 문서를 참고하십시오.
C++
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#include <iostream>
using namespace std;
int main() {
string s = "World";
cout << s.at(0) << endl; // W
cout << s.at(1) << endl; // o
cout << s.at(2) << endl; // r
}
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4 C#
C#
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string str = "Hello, World";
char ch = str[1];
// 'e'
5 Excel
PHP
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=MID("hello",1,1)
// h
=MID("hello",2,1)
// e
=MID("hello",3,1)
// l
6 Java
Java
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String str = "Hello, World";
str.charAt(2); // 'l'
7 JavaScript
JavaScript
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var str = "Hello, World";
console.log( str.charAt(2) ); // 'l'
▶ | l |
8 Objective-C
Objective-C
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#define CHAR_AT(str, n) [str substringWithRange:NSMakeRange(n,1)]
NSString* ch = CHAR_AT(@"A가★あ中", 2);
NSLog(@"%@", ch); // ★
Objective-C
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NSString* str = @"A가★あ中";
unichar ch = [str characterAtIndex:2];
NSLog(@"%C", ch); // ★
9 Pascal
pascal
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var
MyStr: string = 'Hello, World';
MyChar: Char;
begin
MyChar := MyStr[2]; // 'e'
10 Perl
Perl
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$str = 'Hello, World';
substr($str, 2, 1); # 'l'
substr($str, -3, 1); # 'r'
11 PHP
PHP
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$str = "Hello";
$ch = $str[1];
// e
12 Python
Python
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"Hello, World"[2] # 'l'
"Hello, World"[-3] # 'r'
13 Ruby
Ruby
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"Hello, World"[2] # 'l'
"Hello, World"[-3] # 'r'
14 Smalltalk
smalltalk
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'Hello, World' at: 2. "$e"
15 VB
vbnet
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GetChar("Hello, World", 2) ' "e"
16 VB.NET
vbnet
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"Hello, World".Chars(2) ' "l"