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[PowerShell] 문자열 포함 확인 How can you check if a PowerShell string contains a character or substring? You might be tempted to try this:PS> $s = ‘abcdefghijk’ PS> $s -contains ‘f’ FalseBut –contains is for working with the contents of arrays. So you could do this:PS> ($s.ToCharArray()) -contains ‘f’ TrueYou’re implicitly converting the string ‘f’ to [char] to make the comparison. Your comparison is ..