Regex - remove element

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I want to delete all the characters except the last 3 letters that are capitalized. And another thing, how do I do several regex together?

    
asked by anonymous 11.10.2017 / 23:44

1 answer

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The syntax depends on the regex implementation you are using. But an example using the syntax of js: 

str.replace(/^.*([A-Z])[^A-Z]*([A-Z])[^A-Z]*([A-Z])[^A-Z]*$/, '$1$2$3')
    
11.10.2017 / 23:52
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