127 lines
2.4 KiB
Markdown
127 lines
2.4 KiB
Markdown
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.Net format specifier Cheat Sheet
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============================
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Here my (growing) collection of C# format specifier, this is not a complete list but rather a collection of specifier I needed in the past:
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###Short syntax summary
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```csharp
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"{0,5:000;0.#;0}"
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```
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```plain
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{
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0 // The index of the displayed object
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,5 // A padding of 5
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000;0.#;0 // The format string
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}
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```
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```plain
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000 // The format for positive numbers (min 3 places, fill missing with zeroes)
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;
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0.# // The format for negative numbers (at least one digit before decimal point, maximum one after)
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;
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0 // The format for zeros (one digit - a zero)
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```
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###Align right with leading spaces
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```csharp
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"{0,6}" // min-width: 6 character
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```
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###Digits after decimal point
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```csharp
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"{0:0.00}" // exactly 2 digits after decimal point
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"{0:0.##}" // maximal 2 digits after decimal point
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```
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###Align positive & negative numbers with leading zeros
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```csharp
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/* integer: */
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"{0:0000;-000}" // min-width: 4 character
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/* float: */
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"{0:0000.00;-000.00}" // min-width: 4 character + 2 decimal places
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```
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###Remove minus sign
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```csharp
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"{0:0;0}"
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```
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###Show thousand seperator
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```csharp
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"{0:#,0}" // only for integer
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```
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###Scale numbers
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```csharp
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"{0:#,#}" // normal number
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"{0:#,##0, kilo}" // (number/1000) kilo
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"{0:#,##0,, mill}" // (number/1000/1000) million
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"{0:#,##0,,, bill}" // (number/1000/1000/1000) billion
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```
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> **see: ** [stackoverflow.com](http://stackoverflow.com/questions/11731996/string-format-numbers-thousands-123k-millions-123m-billions-123b)
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###Right align currency
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```csharp
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"{0,10:#,##0.00}" // Right aligned & always 2 decimal places
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```
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> **see: ** [stackoverflow.com](http://stackoverflow.com/questions/7422625/right-align-currency-in-string-format)
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###Align strings
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```csharp
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"{0,-10}" // Left aligned, min-width: 10 chars
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"{0,10}" // Right aligned, min-width: 10 chars
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```
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###Datetime formatting
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```csharp
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"s" // second
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"m" // minute
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"t" // AM/PM
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"h" // hour (1-12)
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"H" // hour (0-23)
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"d" // day
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"M" // month
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"y" // year
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"z" // timezone offset
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"{0:D/M/yyyy}" // z.B.: 28/2/2013"
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```
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###Only show positive numbers
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```csharp
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"{0:#.#####;'';}"
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```
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###Add a prefix/suffix
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```csharp
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"{0:(0)}" // ( number )
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"{0:_0_}" // _number_
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```
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###Format Hexadecimal
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```csharp
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"{0:X}" // z.B.: 138D5
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"{0:x}" // z.B.: 138d5
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"{0:X8}" // z.B.: 000138D5
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"0x{0:X8}" // z.B.: 0x000138D5
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```
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