replace dashes in to space using php

Question

can you help me in my problem. i want to create a function to replace the space into dash then i found a solution for that this is the sulotion i found: ``` function slug($phrase, $maxLength=100000000000000) { $result = strtolower($phrase); $result = preg_replace("/[^A-Za-z0-9\s-._\/]/", "", $result); $result = trim(preg_replace("/[\s-]+/", " ", $result)); $result = trim(substr($result, 0, $maxLength)); $result = preg_replace("/\s/", "-", $result); return $result; } ``` my problem is i want to create a vice versa for that replace dash to space example input: dash-to-space example output dash to space how can i do that?

Accepted Answer

You can use this lookaround based `preg_replace`:

```
$result = preg_replace('/(?<!\s)-(?!\s)/', ' ', $input);
```

RegEx Demo

This will avoid replacing `-` by space if it is surrounded by space.

replace dashes in to space using php

Solution

Problem