Imports System
Imports System.Globalization
Module Program
Sub Main()
Console.WriteLine("=== BASIC PLACEHOLDERS ===")
Dim name As String = "Daisy"
Dim age As Integer = 27
Console.WriteLine(String.Format("My name is {0} and I am {1} years old.", name, age))
Console.WriteLine(Environment.NewLine & "=== NUMBER FORMATTING ===")
Dim price As Double = 1234.56789
Console.WriteLine(String.Format("Fixed-point: {0:F2}", price))
Console.WriteLine(String.Format("Number with commas: {0:N2}", price))
Console.WriteLine(String.Format("Currency: {0:C}", price))
Console.WriteLine(String.Format("Percent: {0:P1}", 0.985))
Console.WriteLine(Environment.NewLine & "=== ALIGNMENT ===")
Console.WriteLine(String.Format("|{0,10}|", "Tessa")) ' right align
Console.WriteLine(String.Format("|{0,-10}|", "Tessa")) ' left align
Console.WriteLine(Environment.NewLine & "=== CUSTOM NUMERIC FORMATS ===")
Console.WriteLine(String.Format("Custom: {0:00000.00}", price))
Console.WriteLine(String.Format("Hex: {0:X}", 255))
Console.WriteLine(Environment.NewLine & "=== DATE/TIME FORMATTING ===")
Dim now As DateTime = DateTime.Now
Console.WriteLine(String.Format("Short date: {0:d}", now))
Console.WriteLine(String.Format("Long date: {0:D}", now))
Console.WriteLine(String.Format("ISO: {0:yyyy-MM-dd HH:mm:ss}", now))
Console.WriteLine(Environment.NewLine & "=== CULTURE-SPECIFIC FORMATTING ===")
Dim ro As New CultureInfo("ro-RO")
Console.WriteLine(String.Format(ro, "Currency (RO): {0:C}", price))
Console.WriteLine(Environment.NewLine & "=== NESTED EXPRESSIONS ===")
Console.WriteLine(String.Format("Uppercase: {0}", name.ToUpper()))
Console.WriteLine(Environment.NewLine & "=== INDEXED ARGUMENTS (REORDERING) ===")
Console.WriteLine(String.Format("Second: {1}, First: {0}", "Isla", "Zoe"))
Console.WriteLine(Environment.NewLine & "=== ESCAPING BRACES ===")
Console.WriteLine(String.Format("Use {{ and }} to escape braces: {{0}}"))
End Sub
End Module
' run:
'
' === BASIC PLACEHOLDERS ===
' My name is Daisy and I am 27 years old.
'
' === NUMBER FORMATTING ===
' Fixed-point: 1234.57
' Number with commas: 1,234.57
' Currency: $1,234.57
' Percent: 98.5 %
'
' === ALIGNMENT ===
' | Tessa|
' |Tessa |
'
' === CUSTOM NUMERIC FORMATS ===
' Custom: 01234.57
' Hex: FF
'
' === DATE/TIME FORMATTING ===
' Short date: 5/9/2026
' Long date: Saturday, May 9, 2026
' ISO: 2026-05-09 15:16:11
'
' === CULTURE-SPECIFIC FORMATTING ===
' Currency (RO): 1.234,57 RON
'
' === NESTED EXPRESSIONS ===
' Uppercase: DAISY
'
' === INDEXED ARGUMENTS (REORDERING) ===
' Second: Zoe, First: Isla
'
' === ESCAPING BRACES ===
' Use { and } to escape braces: {0}
'
