REGEXP_INSTR(description,'[aeiou][aeiou]'): Look for two consecutive vowels : Brackets « Regular Expressions « Oracle PL / SQL

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Oracle PL / SQL » Regular Expressions » Brackets 
REGEXP_INSTR(description,'[aeiou][aeiou]'): Look for two consecutive vowels



SQL> create table TestTable(
  2    ID                    VARCHAR2(BYTE)         NOT NULL,
  3    Description           VARCHAR2(30 BYTE)
  4  )
  5  /

Table created.

SQL>
SQL>
SQL> insert into TestTable (ID, Descriptionvalues('1','1234 5th Street');

row created.

SQL> insert into TestTable (ID, Descriptionvalues('2','1 Culloden Street');

row created.

SQL> insert into TestTable (ID, Descriptionvalues('3','1234 Road');

row created.

SQL> insert into TestTable (ID, Descriptionvalues('4','33 Thrid Road');

row created.

SQL> insert into TestTable (ID, Descriptionvalues('5','One than another');

row created.

SQL> insert into TestTable (ID, Descriptionvalues('6','2003 Movie');

row created.

SQL> insert into TestTable (ID, Descriptionvalues('7','Start With Letters');

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

rows selected.

SQL>
SQL>
SQL>
SQL>
SQL> -- REGEXP_INSTR(description,'[aeiou][aeiou]'): Look for two consecutive vowels:
SQL>
SQL> SELECT description,
  2      REGEXP_INSTR(description,'[aeiou][aeiou]')
  3      where_pattern_starts
  4  FROM testTable;

DESCRIPTION                    WHERE_PATTERN_STARTS
------------------------------ --------------------
1234 5th Street                                  13
Culloden Street                                15
1234 Road                                         7
33 Thrid Road                                    11
One than another                                  0
2003 Movie                                        9
Start With Letters                                0

rows selected.

SQL>
SQL>
SQL>
SQL> drop table TestTable;

Table dropped.

SQL>
SQL>
           
       
Related examples in the same category
1.[whatever]: a match of whatever set of characters is included inside the brackets in any order
2.A match for any vowel followed by an 'r' or 'p'
3.Select only addresses that contain vowels
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