Substitute last occurrence of a word Regex Javascript

Asked Jul 21 '21 at 21:08

Active Jul 21 '21 at 21:08

Viewed 23 times

I want to substitute the last occurrence of a text with nothing:

let text ="eb8583fb8d0c8aadce-lad7ff779e5e53ee-la.gif"; 
text = text.replace('/(\b-la\b)(?!.*\1)/',"");

taking the above code as an example I want text to be: eb8583fb8d0c8aadced7ff779e5e53ee-la.gif according to this question this should work, but actually not, why?

asked Jul 21 '21 at 21:08

loxad60236

`text = text.replace(/(\b-la\b)(?!.*\b\1\b)/,"");` – Wiktor Stribiżew Jul 21 '21 at 21:10
@WiktorStribiżew works!!! really really thanks! – loxad60236 Jul 21 '21 at 21:12
Why reopen vote? To fix a typo? – Wiktor Stribiżew Jul 21 '21 at 21:39

Substitute last occurrence of a word Regex Javascript

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