Add solutions

Solutions/Exercise 10.md

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+# Exercise 10
+## Levenstein-Distanz
+
+| Input       | Reference   | Distance |
+| ----------- | ----------- | :------: |
+| `AUSTAUSCH` | `AUFBAUSCH` |   $2$    |
+| `BARBAREN`  | `BARBARA`   |   $2$    |
+| `COCACOLA`  | `COCAINA`   |   $3$    |
+
+## Reguläre Ausdrücke (Regex)
+### a)
+```js
+/^(((2(5[0-5]|[0-4][0-9]))|((1[0-9]|[1-9])?[0-9]))\.){3}((2(5[0-5]|[0-4][0-9]))|((1[0-9]|[1-9])?[0-9]))$/
+```
+
+### b)
+```js
+/([^@]+)@([^@]*)/
+```