Powershell how to insert space before capital letter?

Question

PowerShell

Please help me, there is a variable that has the full name IvanovIvanIvanovich, without spaces, but each word begins with a capital letter, how to make a space appear before each capital letter, it is desirable but not necessary that there be no space before the first word.

Answer 1

("ИвановИванИванович" -creplace  '([А-Я])',' $&').Trim()