Replacing characters in a string

2020 4 9
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更新时间：2020 4 9
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I want to replace characters in a string using loops and if statements. For example if there is a Y in the string, I want to change it to a J. If there is an M in the string I want to change it to a Q.

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Ameer Hamza
Ameer Hamza 2020-4-9
Why for loop? Why not some built-in function. This seems like a homework question. Can you show us the code you already tried?
Patrick Crosby
Patrick Crosby 2020-4-9
The way I was thinking of it would be using loops-- is there an easier way? I am unfamiliar with a built-in function for this

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Birdman
Birdman 2020-4-9
编辑：Birdman 2020-4-9

1 个投票

One example(use regexprep):
s="Yao Ming";
regexprep(s,{'Y','M'},{'J','Q'})

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