javascript | js replace n
Ineedtoreplaceallwith,butonlyifhasntalreadypreviosly.i.e.HelloGreatWorld->HelloGreatWorldHelloGreatWorld->HelloGreatWorld.InJavaicandoitinnextway"HelloGreatWorld".replaceAll("(?
I need to replace all with , but only if hasnt already previosly.i.e.Hello Great World -> Hello Great WorldHello Great World -> Hello Great World.
In Java i can do it in next way
"Hello Great World".replaceAll("(?<! ) ", " ");But (?<!X) construct is absent in JS.Any ideas, how can I do it in JS?
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