# URL String Parsing

### Introduction

This sample shows how to add, delete, modify, and query URL string search parameters to help you understand the URL structure and usage.

### Usage

1. Touch **Insert key-value pair**. The parameter in the text box on the left is inserted behind the search parameter.

2. Touch **Delete key-value pair** to delete the specified key-value pair.

3. Touch **Get first value** to search for and display the value of the first occurrence of the specified key.

4. Touch **Set new value** to delete all key-value pairs associated with the key and assign a new value to the key.

### Constraints

This sample can only be run on standard-system devices.