Notepad++ Replace new line inside text

Notepad++ Replace new line inside text

I have this sample, because is one of one million rows with that. I have
this text:
<tr class="even">
<td><a href="http://www.ujk.edu.pl/">Jan Kochanowski
University of Humanities and Sciences (Swietokrzyska Pedagogical
University) / Uniwersytet Humanistyczno Przyrodniczy Jana Kochanowskiego
w Kielcach</a></td>
I want to replace to be like that:
<tr class="even">
<td><a href="http://www.ujk.edu.pl/">Jan Kochanowski University of
Humanities and Sciences (Swietokrzyska Pedagogical University) /
Uniwersytet Humanistyczno Przyrodniczy Jana Kochanowskiegow
Kielcach</a></td>
I tried that REGEX: (.*) But didn't work.