# <a id="CapyKit_Extensions_StringExtensions"></a> Class StringExtensions

Namespace: [CapyKit.Extensions](CapyKit.Extensions.md)  
Assembly: CapyKit.dll  

Provides static extentions methods for providing additional functionality for <xref href="System.String" data-throw-if-not-resolved="false"></xref> types.

```csharp
public static class StringExtensions
```

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← 
[StringExtensions](CapyKit.Extensions.StringExtensions.md)

#### Inherited Members

[object.Equals\(object?\)](https://learn.microsoft.com/dotnet/api/system.object.equals\#system\-object\-equals\(system\-object\)), 
[object.Equals\(object?, object?\)](https://learn.microsoft.com/dotnet/api/system.object.equals\#system\-object\-equals\(system\-object\-system\-object\)), 
[object.GetHashCode\(\)](https://learn.microsoft.com/dotnet/api/system.object.gethashcode), 
[object.GetType\(\)](https://learn.microsoft.com/dotnet/api/system.object.gettype), 
[object.MemberwiseClone\(\)](https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone), 
[object.ReferenceEquals\(object?, object?\)](https://learn.microsoft.com/dotnet/api/system.object.referenceequals), 
[object.ToString\(\)](https://learn.microsoft.com/dotnet/api/system.object.tostring)

#### Extension Methods

[ObjectExtensions.UpdateProperties\(object, object\)](CapyKit.Extensions.ObjectExtensions.md\#CapyKit\_Extensions\_ObjectExtensions\_UpdateProperties\_System\_Object\_System\_Object\_)

## Methods

### <a id="CapyKit_Extensions_StringExtensions_IfNullOrEmpty_System_String_System_String_"></a> IfNullOrEmpty\(string, string\)

Replaces a null or empty string with a specified replacement string.

```csharp
public static string IfNullOrEmpty(this string value, string replacement)
```

#### Parameters

`value` [string](https://learn.microsoft.com/dotnet/api/system.string)

The original string.

`replacement` [string](https://learn.microsoft.com/dotnet/api/system.string)

The replacement string.

#### Returns

 [string](https://learn.microsoft.com/dotnet/api/system.string)

The original string if not null or empty, otherwise the replacement string.

#### See Also

[string](https://learn.microsoft.com/dotnet/api/system.string).[IsNullOrEmpty](https://learn.microsoft.com/dotnet/api/system.string.isnullorempty)\([string](https://learn.microsoft.com/dotnet/api/system.string)?\)

### <a id="CapyKit_Extensions_StringExtensions_IfNullOrWhiteSpace_System_String_System_String_"></a> IfNullOrWhiteSpace\(string, string\)

Replaces a null or whitespace string with a specified replacement string.

```csharp
public static string IfNullOrWhiteSpace(this string value, string replacement)
```

#### Parameters

`value` [string](https://learn.microsoft.com/dotnet/api/system.string)

The original string.

`replacement` [string](https://learn.microsoft.com/dotnet/api/system.string)

The replacement string.

#### Returns

 [string](https://learn.microsoft.com/dotnet/api/system.string)

The original string if not null or whitespace, otherwise the replacement string.

#### See Also

[string](https://learn.microsoft.com/dotnet/api/system.string).[IsNullOrWhiteSpace](https://learn.microsoft.com/dotnet/api/system.string.isnullorwhitespace)\([string](https://learn.microsoft.com/dotnet/api/system.string)?\)