Replace all occurrences of a specific character with another.

[Hongyi Zhao]

Hi here,

I want to replace all occurrences of a specific character, say, `d`,
as shown in the attached screenshot, with another character, e.g.,
`n`. Is there any practical way to do this?

Regards,
Zhao
-- 
Assoc. Prof. Hongsheng Zhao <hongyi.zhao@gmail.com>
Theory and Simulation of Materials
Hebei Vocational University of Technology and Engineering
No. 473, Quannan West Street, Xindu District, Xingtai, Hebei province

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