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JavaScript String replaceAll

by admin
4 years ago
in Softwares
Object.entries
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Changing a substring of textual content inside a bigger string has all the time been deceptive in JavaScript. I wrote Exchange All Occurrences of a String in JavaScript years in the past and it is nonetheless certainly one of my most learn articles.

The confusion lies in that exchange solely replaces the primary prevalence of a substring, not all occurrences. For instance:

'yayayayayaya'.exchange('ya', 'na');
// nayayayayaya

To exchange all cases of a substring, you have wanted to make use of a daily expression:

'yayayayayaya'.exchange(/ya/g, 'na');
// nananananana

Utilizing common expressions is actually highly effective however let’s be sincere — oftentimes we merely wish to exchange all cases of a easy substring that should not require a daily expression.

Fortunately, this 12 months the JavaScript language supplied us with String.prototype.replaceAll, a technique for changing with out utilizing common expressions:

'yayayayayaya'.replaceAll('ya', 'na');
// nananananana

Typically an API exists in a complicated format and requirements our bodies merely want to enhance the scenario. I am glad they did so with replaceAll!

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