Advanced string manipulation in javascript

Question

I am new to javascript and trying to do some advanced string splitting/replacement.

I have researched all over and read the common SO solutions but no luck.

I am trying to convert this string:

var feeling = "my code makes me {{ unhappy }}"

// your magic code here


console.log(feeling) >> "my code makes me happy!" // desired outcome

So i am trying to replace the brackets and words in them, with a new word..

I tried

feeling.replace(/{{.*}}/, 'happy !')

but it's not working.

Thank you!

The code needs to use the output of the replace function as it does not modify the string: console.log(feeling.replace(/{{.*}}/, 'happy !')) will show the desired output. — user2864740
– user2864740, Commented Jan 14, 2018 at 9:23
try console.log(feeling.replace(/{{.*}}/, 'happy !')) . @user2864740 says. — Nozar Safari
– Nozar Safari, Commented Jan 14, 2018 at 9:24

Ravindra Thorat · Accepted Answer · 2018-01-14 09:30:10Z

1

As per the doc https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replace here, The replace() method returns a new string with some or all matches of a pattern replaced by a replacement. you just need to receive the output in feeling variable,

var feeling = "my code makes me {{ unhappy }}";
    feeling = feeling.replace(/{{.*}}/, 'happy !');
    console.log(feeling);

edited Jan 14, 2018 at 9:30

answered Jan 14, 2018 at 9:24

Ravindra Thorat

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Tigger · Accepted Answer · 2018-01-14 09:25:04Z

0

Works for me. What are you doing differently?

var feeling = "my code makes me {{ unhappy }}";
// Guessing you failed to update "feeling" with the 
// return from .replace() here
feeling = feeling.replace(/{{.*}}/,'happy !');
console.log(feeling)

answered Jan 14, 2018 at 9:25

Tigger

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