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Categories / Oracle PLSQL / Regular Expressions

 

Repetition operator would say, at least m times with {m,}

SQL> create table TestTable(   2    ID                    VARCHAR2(4 BYTE)         NOT NULL,   3    Description           VARCHAR2(30 BYTE)   4  )   5  / Table created. SQL> SQL> SQL> insert into TestTable (ID, Description) values('1','1234 5th Street'); 1 row created. SQL> insert into TestTable (ID, Description) values('2','1 Culloden Street'); 1 row created. SQL> insert into TestTable (ID, Description) values('3','1234 Road'); 1 row created. SQL> insert into TestTable (ID, Description) values('4','33 Thrid Road'); 1 row created. SQL> insert into TestTable (ID, Description) values('5','One than another'); 1 row created. SQL> insert into TestTable (ID, Description) values('6','2003 Movie'); 1 row created. SQL> insert into TestTable (ID, Description) values('7','aeiou With Letters'); 1 row created. SQL> SQL> select * from TestTable; ID   DESCRIPTION ---- ------------------------------ 1    1234 5th Street 2    1 Culloden Street 3    1234 Road 4    33 Thrid Road 5    One than another 6    2003 Movie 7    aeiou With Letters 7 rows selected. SQL> SQL> SQL> SQL> -- Repetition operator would say, "at least m times" with {m,}: SQL> SQL> SELECT description,   2      REGEXP_INSTR(description,'[aeiou]{2,3}')   3      where_pattern_starts   4  FROM testTable   5  WHERE REGEXP_INSTR(description,'[aeiou]{3,}') > 0; DESCRIPTION                    WHERE_PATTERN_STARTS ------------------------------ -------------------- aeiou With Letters                                1 SQL> SQL> SQL> drop table TestTable; Table dropped. SQL> SQL> SQL>