$string.split("`n")
Uses a split to break apart the string
PS C:\> $string = @"
>> Line 1
>> Line 2
>> Line 3
>> "@
>> $string.split("`n")
Line 1
Line 2
Line 3
$string.split("`n")
DetailsPS C:\> $string = @"
>> Line 1
>> Line 2
>> Line 3
>> "@
>> $string.split("`n")
Line 1
Line 2
Line 3