rc-js-util/docs/rc-js-util._string.md

A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.

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[Home](./index.md) &gt; [rc-js-util](./rc-js-util.md) &gt; [\_String](./rc-js-util._string.md)

## \_String class

Utilities that apply to `string`<!-- -->.

**Signature:**

```typescript
export declare class _String 
```

## Properties

<table><thead><tr><th>

Property


</th><th>

Modifiers


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

[concat2](./rc-js-util._string.concat2.md)


</td><td>

`static`

`readonly`


</td><td>

typeof stringConcat2


</td><td>

Like concat but for only 2 parameters (yes it's dumb, but it can be a lot faster for lots of small joins).


</td></tr>
<tr><td>

[normalizeEmptyToUndefined](./rc-js-util._string.normalizeemptytoundefined.md)


</td><td>

`static`

`readonly`


</td><td>

typeof stringNormalizeEmptyToUndefined


</td><td>

Replaces length 0 strings with `undefined`<!-- -->.


</td></tr>
<tr><td>

[normalizeNullUndefinedToEmpty](./rc-js-util._string.normalizenullundefinedtoempty.md)


</td><td>

`static`

`readonly`


</td><td>

typeof stringNormalizeNullUndefinedToEmpty


</td><td>

Replaces `null` / `undefined` with an empty `string`<!-- -->.


</td></tr>
</tbody></table>