> For the complete documentation index, see [llms.txt](https://trizen.gitbook.io/sidef-lang/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://trizen.gitbook.io/sidef-lang/programming_tasks/s/string_concatenation.md).

# String concatenation

```ruby
var s = 'hello'
say s+' literal'
var s1 = s+' literal'
say s1
```

An example of destructive concatenation:

```ruby
s += ' literal'
say s
```