# Sandbox.SandboxSystemExtensions.Contains

## Overload 1

```csharp
static bool Contains(T value, T flag)
```

### Parameters

- `value` (`T`)
- `flag` (`T`)

### Returns

`bool`

## Overload 2

```csharp
static bool Contains(string source, string toCheck, stringComparison comp)
```

An extended Contains which takes a StringComparison.

### Parameters

- `source` (`string`)
- `toCheck` (`string`)
- `comp` (`stringComparison`)

### Returns

`bool`

Declared in [Sandbox.SandboxSystemExtensions](/api/Sandbox.SandboxSystemExtensions).
Assembly: `Sandbox.System`.