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print("=== Strings Demo ===");
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print("");
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print("--- String Literals ---");
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single = 'Single quotes';
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double = "Double quotes";
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print(single);
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print(double);
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print("");
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print("--- String Concatenation ---");
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first = "Hello";
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second = "World";
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combined = first + " " + second;
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print("Concatenated:", combined);
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greeting = "Hi";
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greeting += " there!";
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print("Using +=:", greeting);
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print("");
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print("--- String Length ---");
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text = "Hello, World!";
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print("Text:", text);
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print("Length:", text.length);
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|
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print("");
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print("--- Substring (substr) ---");
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myStr = "Hello, World!";
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print("Original:", myStr);
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print("substr(0, 5):", myStr.substr(0, 5));
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print("substr(7, 5):", myStr.substr(7, 5));
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|
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print("");
|
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print("--- String Split ---");
|
|
csv = "apple,banana,cherry";
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parts = csv.split(",");
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print("CSV:", csv);
|
|
print("Split result:");
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|
for (i = 0; i < len(parts); i++) {
|
|
print(" ", parts[i]);
|
|
}
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|
|
|
print("");
|
|
print("--- String Count ---");
|
|
text = "abracadabra";
|
|
print("Text:", text);
|
|
print("Count of 'a':", text.count("a"));
|
|
print("Count of 'br':", text.count("br"));
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|
|
|
print("");
|
|
print("--- String indexOf ---");
|
|
testStr = "Hello, World!";
|
|
print("String:", testStr);
|
|
print("indexOf('World'):", testStr.indexOf("World"));
|
|
print("indexOf('o'):", testStr.indexOf("o"));
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|
|
|
print("");
|
|
print("--- Case Conversion ---");
|
|
mixed = "Hello World";
|
|
print("Original:", mixed);
|
|
print("toUpper():", mixed.toUpper());
|
|
print("toLower():", mixed.toLower());
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|
|
|
print("");
|
|
print("--- String Trim ---");
|
|
padded = " spaces ";
|
|
print("Before trim:", padded);
|
|
print("After trim:", padded.trim());
|
|
|
|
print("");
|
|
print("--- String Replace ---");
|
|
original = "Hello World";
|
|
replaced = original.replace("World", "Nano");
|
|
print("Replace 'World' with 'Nano':", replaced);
|
|
|
|
print("");
|
|
print("--- Type Conversion ---");
|
|
num = 42;
|
|
numStr = str(num);
|
|
print("Number to string:", numStr);
|
|
|
|
strNum = "123";
|
|
parsed = int(strNum);
|
|
print("String to number:", parsed);
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|
|
|
print("");
|
|
print("All string tests completed");
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