REGEXP_INSTR(description,'F.') : Wild Card « Regular Expressions « Oracle PL / SQL

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Oracle PL / SQL » Regular Expressions » Wild Card 




REGEXP_INSTR(description,'F.')



SQL> create table TestTable(
  2    ID                    VARCHAR2(BYTE)         NOT NULL,
  3    Description           VARCHAR2(40 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 First 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 First Road
4    33 Thrid Road
5    One than another
6    2003 Movie
7    Start With Letters

rows selected.

SQL>
SQL>
SQL>
SQL> SELECT description, REGEXP_INSTR(description,'F.') where_it_is
  2  FROM testTable
  3  WHERE REGEXP_INSTR(description,'F.') 0;

DESCRIPTION                              WHERE_IT_IS
---------------------------------------- -----------
1234 First Road                                    6

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

Table dropped.

SQL>
SQL>
SQL>
           
       














Related examples in the same category
1.'.' matches anything
2.REGEXP_INSTR(description,'e.e'): Find a letter and then whatever until there was another of the same letter
3.REGEXP_INSTR(description,'i.i'): 'i' followed by any one character, followed by another 'i'
4.REGEXP_SUBSTR('Yababa dababa do','a.a')
5.REGEXP_SUBSTR('abbbb','ab+')
6.REGEXP_SUBSTR('a','ab+')
7.REGEXP_SUBSTR('abbbb','ab*') (2)
8.To see the difference between '*' and '+'
9.'?': match exactly zero or one repetition
10.'+': match one or more repetitions
11.'*' (match zero or more repetitions)
12.REGEXP_INSTR(description, 'e.+e'): An 'e' followed by any number of other characters and then another 'e'
13.REGEXP_SUBSTR(description,'e.*e')
14.Use the non-greedy '?'
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