甲骨文正则表达式捕捉特定字符

Question

这里是我想更多的了解做我只是想找到除了爱情之外，以获得子，放入变量

DECLARE 
    v_file_type  thufitab.file_type%TYPE; 
    v_filename  thufitab.filename%TYPE; 
    v_status   thufitab.status%TYPE; 
    V_seq_FILENAME NUMBER (4); 

    CURSOR List_FILENAME_cur 
    IS 
     SELECT FILENAME 
     FROM thufitab 
     WHERE status = 2 AND ROWNUM <= 100; 
BEGIN 
    FOR List_FILENAME_rec IN List_FILENAME_cur 
    LOOP 
     SELECT REGEXP_SUBSTR (FILENAME, '([1-9][0-9]{0,3})') 
     INTO V_seq_FILENAME 
     FROM thufitab; 

     DBMS_OUTPUT.PUT_LINE (V_seq_FILENAME); 
    END LOOP; 
END; 

Answer 1

不知道我理解不错，但是，被这对你好吗？

'CDR-([1-9][0-9]{0,3})_[0-9]{2}_[0-9]{2}_[0-9]{2}_[0-9]{4}_UK1\.FCDR' 
    ^_______________^ 
      group 1