Replace string once?

[css (Mike)]

@ClaytonM

vScreenCapture.Substring(0,vScreen_Capture.IndexOf(“|”)) + “||” + vScreen_Capture.Substring(vScreen_Capture.IndexOf(“|”)+“|”.Length)

Thank you @ClaytonM this worked, would you be able to take a look at my other post, it is different but not completely dissimilar to this one: https://forum.uipath.com/t/find-text-in-string-and-replace-a-part-of-it/183384/7