Mega Code Archive

 

Categories / Oracle PLSQL / Regular Expressions

 

REGEXP_INSTR(description, e +e)

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','Start 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    Start With Letters 7 rows selected. SQL> SQL> SQL> -- REGEXP_INSTR(description, 'e.+e'): An 'e' followed by any number of other characters and then another 'e' SQL> SQL> SELECT description,   2      REGEXP_SUBSTR(description,'e.+e'),   3      REGEXP_INSTR(description, 'e.+e') "@"   4  FROM testTable; DESCRIPTION                    REGEXP_SUBSTR(DESCRIPTION,'E.+          @ ------------------------------ ------------------------------ ---------- 1234 5th Street                                                        0 1 Culloden Street              en Stree                                9 1234 Road                                                              0 33 Thrid Road                                                          0 One than another               e than anothe                           3 2003 Movie                                                             0 Start With Letters             ette                                   13 7 rows selected. SQL> SQL> drop table TestTable; Table dropped. SQL> SQL> SQL>