duplicate specific text and underline it

Hello All,


i have a huge number of files need to be translated with specific instructions


the most complicated case which i face is to duplicate all turquoise highlighted text and make the duplicated one's first character to be underlined


and the original one to be hidden as shown below


Before

1.png



After

2.png



i have attached a sample file for such a case

Thanks in advance for any hint or tips

Cheers

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