bb-code hasn't been working, if you are inserted in the end of a word symbol \

Preconditions

• User logged in jcommune
• Opened any branch

Steps to reproduce

1. Click "Answer"
2. Click "Underlined"
3. Look at the selected text and add in the end of a word symbol \
4. Click "Answer"
5. Look at your message

Actual result: [u]Insert your text here[/u]
Expected result: + Insert your text here\ +