TSQL - Special sort 2, Sql Server

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with data as (
    select c from (values
        ('2-101.11(A)(B))'), ('21 CFR 110.10'), ('046.981(e)(m)'),
        ('9.1'), ('9.2'), ('9.2.1'), ('9.02.2'), ('9.02.3'), ('9.3'), ('9.3.1'), ('9.3.2'),
        ('10.'), ('11.'), ('11.1'), ('11.2.a'), ('11.2.b'), ('11.2.c'), ('11a.2.a'), ('11b.2.b')
    ) t(c)
), unify as (
    select
        replace(replace(replace(replace(c, ' CFR ', '.'), '(', ''), ')', '.'), '-', '.') as c from data
)
select c, '[' +
    right('00000' +
        substring(c, 1, charindex('.', c + '.0.0', 1) - 1) +
            case when substring(c + '.0.0', charindex('.', c + '.0.0', 1) - 1, 1) between '0' and '9' then ' ' else '' end,
        6
    ) + '.' +
    right('00000' +
        substring(c, charindex('.', c + '.0.0', 1) + 1, charindex('.', c + '.0.0', charindex('.', c + '.0.0', 1) + 1) - charindex('.', c + '.0.0', 1) - 1) +
            case when right('0' +
                substring(c, charindex('.', c + '.0.0', 1) + 1, charindex('.', c + '.0.0', charindex('.', c + '.0.0', 1) + 1) - charindex('.', c + '.0.0', 1) - 1),
                1
            ) between '0' and '9' then ' ' else '' end,
        6
    ) + '.' +
    right('00000' +
        substring(c, charindex('.', c + '.0.0', charindex('.', c + '.0.0', 1) + 1) + 1, 10) +
            case when right('0' +
                substring(c, charindex('.', c + '.0.0', charindex('.', c + '.0.0', 1) + 1) + 1, 10),
                1
            ) between '0' and '9' then ' ' else '' end,
        6
    ) + ']'
from unify
order by 2;

View schema
Execution time: 0 sec, rows selected: 19, rows affected: 0, absolute service time: 0,16 sec