Regex replace "\n" occurrences by divide by 2

user_4238789 0
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I have string with \n

First\nSecond\n\nThird\n\n\n\n

I want after replace (\n >=2), it's

First\nSecond\nThird\n\n

I would appreciate some help. Many thanks!

regexp-replace vue.js javascript regex
1 Answers

Just replace every two \n with a single \n:

s.replace(/\n\n/g, '\n')


const s = 'First\nSecond\n\nThird\n\n\n\n'

console.log(JSON.stringify(s.replace(/\n\n/g, '\n')))

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