When Pharaoh says: וַיִּשְׁלַח פַּרְעֹה וַיִּקְרָא לְמֹשֶׁה וּלְאַהֲרֹן וַיֹּאמֶר אֲלֵהֶם חָטָאתִי הַפָּעַם יְהוָה הַצַּדִּיק וַאֲנִי וְעַמִּי הָרְשָׁעִים׃ (Pharaoh sent, and called for Moshe and Aharon, and he said to them, “This time I have sinned. Adonoy is the righteous One and I and my people are the sinners.)
Is there a possibility that he was genuine in his statement and that he did have feelings of teshuvah? Can it be suggested that Pharaoh was kept alive during the ten plagues because he expressed teshuvah?
Even in our own lives, we might repent for a sin and the next day we will scumumb and do it again.
Looking for information regarding his teshuvah, what it means, what type of teshuvah it was, how it was possible for someone like Pharaoh to do teshuva?
Any assistance on this is appreciated.
Are there any mefarshim that talk about this? Or maybe you have something of your own, a unique perspective to share on this topic.