Using substring to extract part of a string

Question

I have the following string: https://dummycloud/image/fetch/f_webp,q_auto:best,w_1080,c_limit/auto/https://dummy.com/media/products/8/8/763160.jpg

And I am only interested in the this part that comes at the end: https://dummy.com/media/products/8/8/763160.jpg

I am using the following with StringBuilder

val url = imageUrl.substringAfterLast("https")

return StringBuilder()
    .append("https")
    .append(url)
    .toString()

Just wondering if there is a substringAfterLast that would keep the prefix https. As I have to use StringBuilder manually to append it from the extract string.

Btw why are you using a StringBuilder instead of just "https$url"? — Arpit Shukla
– Arpit Shukla, Commented Feb 11, 2022 at 17:58

Orr Benyamini · Accepted Answer · 2022-02-11 17:23:20Z

4

You could use

imageUrl.substring(imageUrl.lastIndexOf(“https”));

answered Feb 11, 2022 at 17:23

Orr Benyamini

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