Javascript split string by another string and include that another string that was used to split it into result [duplicate]

Question

If I have this string: "MyStringToForSplitting" and I want to split it by this word "ring". If I do this: "MyStringToForSplitting".split('ring') I will get array that contains this elements:

MyS
ToForSplitting

I can't figure out best way to split it and include 'ring' in resulting array like this:

1.MyS

2.ring

3.ForSplitting

Sorry for duplication. Didn't find that one...

Vlado Pandžić
– Vlado Pandžić

2017-07-14 18:02:11 +00:00
Commented Jul 14, 2017 at 18:02 — Vlado Pandžić
– Vlado Pandžić, Commented Jul 14, 2017 at 18:02

akuiper · Accepted Answer · 2017-07-14 18:15:52Z

6

You can use regex and capture the split pattern:

console.log("MyStringToForSplitting".split(/(ring)/));

var s = "ring";
var p = new RegExp("(" + s + ")")
console.log("MyStringForSplitting".split(p))

edited Jul 14, 2017 at 18:15

answered Jul 14, 2017 at 17:59

akuiper

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3 Comments

Vlado Pandžić Over a year ago

What is ring is variable not hardcoded string?

akuiper Over a year ago

You can construct the regular expression from the string variable and then use it for split. See the update.

Vlado Pandžić Over a year ago

And if you want to ignore casing then new RegExp("(" + s + ")","i") can be used

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