Hi @Shri-6058 ,
You can refer to following PowerShell Script to find and replace links from the Content Editor Web Part in this article.
https://www.sharepointdiary.com/2013/04/replace-cewp-links-with-powershell.html
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Hi @Shri-6058 ,
Have you tried the solution I proposed?
If you have any questions or progress, you can contact me in time.
Looking forward to your reply
Have a lucky day!
Thanks,
Raytheon Xie