@stdlib/string
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String manipulation functions.
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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 -->
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