SO getting max amount from strings, Sql Server

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DECLARE @Table table (
      Id int identity(1,1) primary key,
      [Finance] nvarchar(100)
    );

INSERT INTO @Table ([Finance]) VALUES 
      ('€10m - €50m pretext')
     ,('<€5m pretext')
     ,('\>€100m')
     ,('€10m - 50m pretax from 2019 ')
     ,('abc €123m def 456m ghi')
    ;
     
    ;WITH RCTE AS
    (
       SELECT Id, 
        [Finance] AS Str, 
        0 AS Lvl, 
        CAST(NULL AS INT)  AS Num,
        PATINDEX('%[0-9]%', [Finance]) AS pos1,
        PATINDEX('%[0-9][^0-9]%', [Finance]) AS pos2,
       SUBSTRING([Finance],PATINDEX('%[^0-9][0-9]%', [Finance]),1) AS Prefix
       FROM @Table
       WHERE [Finance] LIKE '%[0-9]m%'
       
       UNION ALL
       
       SELECT Id, 
        SUBSTRING(Str,pos2+1,len(Str)),
        Lvl+1,
        TRY_CAST(SUBSTRING(Str,pos1,pos2-pos1+1) AS INT),
        PATINDEX('%[0-9]%', SUBSTRING(Str,pos2+1,LEN(Str))),
        PATINDEX('%[0-9][^0-9]%', SUBSTRING(Str,pos2+1,LEN(Str))),
        SUBSTRING(Str,pos1-1,1)
        FROM RCTE
        WHERE Str LIKE '%[0-9]m%'
    ),
    AMOUNTS AS
    (
        SELECT Id, 
        MAX(Prefix) AS Prefix,
        MAX(Num) AS MaxAmount
        FROM RCTE
        GROUP BY Id
    )
    SELECT t.Id, a.MaxAmount, a.Prefix, t.[Finance]
    FROM @Table t
    LEFT JOIN AMOUNTS a ON a.Id = t.Id
    ORDER BY t.Id;

View schema
Execution time: 0,11 sec, rows selected: 5, rows affected: 5, absolute service time: 0,69 sec, absolute service time: 0,7 sec