# GH_ExpressionString class

Namespace: [Grasshopper.Kernel.Expressions](https://developer.rhino3d.com/api/gh1/namespace/grasshopper.kernel.expressions.md) · Assembly: [Grasshopper](https://developer.rhino3d.com/api/gh1/assembly/grasshopper.md)

```cs
public class GH_ExpressionString : List<char>
```

## Constructors

- [GH_ExpressionString](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/ctor.md)

## Fields

- [bracket_closed](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/bracket-closed.md): (static)
- [bracket_open](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/bracket-open.md): (static)
- [colon](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/colon.md): (static)
- [comma](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/comma.md): (static)
- [dot](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/dot.md): (static)
- [dquote](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/dquote.md): (static)
- [invalid](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/invalid.md): (static)
- [linefeed](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/linefeed.md): (static)
- [m_t](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/m-t.md)
- [paren_close](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/paren-close.md): (static)
- [paren_open](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/paren-open.md): (static)
- [quote](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/quote.md): (static)
- [return](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/return.md): (static)
- [scolon](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/scolon.md): (static)
- [space](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/space.md): (static)
- [tab](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/tab.md): (static)
- [underbar](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/underbar.md): (static)

## Properties

- [Char](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/char.md)
- [Next](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/next.md)
- [Prev](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/prev.md)

## Methods

- [BuildLUT](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/buildlut.md)
- [IsWhiteSpace](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/iswhitespace.md)
- [ToString](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.expressions.gh-expressionstring/tostring.md)