Split string into an array on semicolon
$string.split(";")
Uses a split to break apart the string
PS C:\> $string = 'A1;B2;C3;D4' >> $string.split(";") A1 B2 C3 D4
$string.split(";")
PS C:\> $string = 'A1;B2;C3;D4' >> $string.split(";") A1 B2 C3 D4