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# str2wellformed

> Create a new well-formed string.

<section class="usage">

## Usage

```javascript
var str2wellformed = require( '@stdlib/string/to-well-formed' );
```

#### str2wellformed( str )

Creates a new well-formed string by replacing all lone surrogates with the replacement character `\uFFFD`.

<!-- eslint-disable no-new-wrappers -->

```javascript
var result = str2wellformed( '' );
// returns ''

result = str2wellformed( '\uDBFF' );
// returns '�'

result = str2wellformed( '\uDBFFFF\uDBFF' );
// returns '�FF�'

result = str2wellformed( '-5' );
// returns '-5'
```

</section>

<!-- /.usage -->

<section class="examples">

## Examples

<!-- eslint-disable no-new-wrappers -->

<!-- eslint no-undef: "error" -->

```javascript
var str2wellformed = require( '@stdlib/string/to-well-formed' );

var result = str2wellformed( '' );
// returns ''

result = str2wellformed( '\uDBFF' );
// returns '�'

result = str2wellformed( '\uDBFF\uDBFF' );
// returns '��'

result = str2wellformed( '5\uDBFF' );
// returns '5�'

result = str2wellformed( '-5' );
// returns '-5'
```

</section>

<!-- /.examples -->

<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->

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</section>

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