Oracle Regular expression issue

Hi All,
I have regular expression problem.
create table url ( Url varchar2(1024));
insert into URL values ('http://abc.jambo.com/ababs/sffef/dsf/sdfdsf/jk.htm')
insert into URL values ('.*amazon.com.*');
insert into URL values ('Abc.com');
insert into URL values ('xyz.Abc.com');
insert into URL values ('^http://bhido.jambo.com/ababs/kd.htm     ');
commit
SELECT url,REGEXP_SUBSTR(url,'http://([[:alnum:]]+\.?){3,4}/?') "REGEXP_SUBSTR"
FROM url
But it returns following result
URL                                                                       REGEXP_SUBSTR
http://abc.jambo.com/ababs/sffef/dsf/sdfdsf/jk.htm         http://abc.jambo.com/
.**abc.amazon.com.**                                                 NULL
Abc.com                                                                 NULL
xyz.Abc.com                                                         NULL
.**amazon.com.**                                                         NULL
^http://bhido.jambo.com/ababs/kd.htm                         http://bhido.jambo.com/
*What changes would be required in RegEx to get following output*
*URL                                                                       REGEXP_SUBSTR*
http://abc.jambo.com/ababs/sffef/dsf/sdfdsf/jk.htm         abc.jambo.com
.**abc.amazon.com.**                                                 abc.amazon.com
Abc.com                                                                 Abc.com
xyz.Abc.com                                                         xyz.Abc.com
.**amazon.com.**                                                         amazon.com
^http://bhido.jambo.com/ababs/kd.htm                         bhido.jambo.comThanks in advance
-Kuldeep
Edited by: Kuldeep2 on Apr 28, 2009 3:56 AM
Edited by: Kuldeep2 on Apr 29, 2009 3:28 AM

SQL> select url, regexp_substr(url,'[[:alnum:]|\.]*com')new_url from url
2 /
URL                                                NEW_URL
http://abc.jambo.com/ababs/sffef/dsf/sdfdsf/jk.htm abc.jambo.com
.*amazon.com.*                                     amazon.com
Abc.com                                            Abc.com
xyz.Abc.com                                        xyz.Abc.com
^http://bhido.jambo.com/ababs/kd.htm               bhido.jambo.com

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Hi all,
I have to create script some schema in oracle database to update our SVN. And after create DDL scrip need to do some modification (Ex: add columns). Example as follows,
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--table format 1
CREATE TABLE "USER"."TABLE1"
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        "COLUMN2"   NUMBER,
        "COLUMN3"   NUMBER,
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        INITIAL 196608 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645 PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT
    TABLESPACE "T1" ;
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        INITIAL 458752 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645 PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT
    TABLESPACE "T1" ;
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        "COLUMN3" NUMBER,
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        INITIAL 35651584 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645 PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT
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        INITIAL 458752 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645 PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT
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CREATE TABLE "USER"."TABLE1"
        "COLUMN1"   NUMBER,
        "COLUMN2"   NUMBER,
        "COLUMN3"   NUMBER,
        "COLUMN4"   VARCHAR2(20 BYTE),
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        INITIAL 35651584 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645 PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT
    TABLESPACE "T1" ;
CREATE INDEX "USER"."TABLE1_COLUMN2" ON "USER"."TABLE1"
        "COLUMN2"
    PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS STORAGE
        INITIAL 196608 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645 PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT
    TABLESPACE "T1" ;
CREATE INDEX "USER"."TABLE1_COLUMN3" ON "SPIDERP4"."TABLE1"
        "COLUMN3"
    PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS STORAGE
        INITIAL 458752 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645 PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT
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CREATE TABLE "USER"."TABLE2"
        "COLUMN1" NUMBER,
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        "COLUMN3" NUMBER,
        "COLUMN4" VARCHAR2(20 BYTE),
        _*"COLUMN5" NUMBER(3,0) DEFAULT 0*_
    PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING STORAGE
        INITIAL 35651584 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645 PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT
    TABLESPACE "T1" ;
CREATE INDEX "USER"."TABLE2_COLUMN1" ON "USER"."TABLE2"
        "COLUMN1"
    PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS STORAGE
        INITIAL 196608 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645 PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT
    TABLESPACE "T1" ;
CREATE INDEX "USER"."TABLE2_COLUMN2" ON "SPIDERP4"."TABLE2"
        "COLUMN2"
    PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS STORAGE
        INITIAL 458752 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645 PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT
    TABLESPACE "T1" ;
/Note:
I need solution apart from these conditions,
1)Table cannot be modify before create DDL (DDL creating using this method “dbms_metadata.get_ddl” ).
2)This is automated processes manual modification cannot be allow.
3)We cannot hard-coded any Dynamic Values because above create DDL table just for explain my question.(**note : “PCTFREE” ,” PRIMARY KEY”, “),”.... above values can be hard-coded**)
Thanks
Tharindu Dhaneenja
Edited by: Dhaneenja on Mar 14, 2011 11:16 PM
Edited by: Dhaneenja on Mar 14, 2011 11:17 PM
Edited by: BluShadow on 15-Mar-2011 09:08
Added {noformat}{noformat} tags

not very safe code to do what you are looking for...
=================test data========================
SET ECHO ON FEED OFF LIN 2000 PAGES 9999 LONG 1000000 LONGC 1000 TRIMS ON;
EXEC DBMS_METADATA.SET_TRANSFORM_PARAM( DBMS_METADATA.SESSION_TRANSFORM,'SQLTERMINATOR',TRUE);
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GRANT DBA TO u IDENTIFIED BY u;
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CREATE TABLE u.t2
   c1   NUMBER,
   c2   NUMBER,
   c3   NUMBER,
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CREATE TABLE u.t3
   c1   NUMBER NOT NULL,
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CREATE TABLE u.t4 (c1 NUMBER    REFERENCES u.t1);
CREATE TABLE u.t5 (c1 NUMBER UNIQUE);
CREATE TABLE u.t6 (c1 NUMBER CHECK (c1 > 0));
CREATE TABLE u.t7 (c1 NUMBER NOT NULL);=================query========================
SELECT CASE
          WHEN (SELECT COUNT (*)
                  FROM dba_tab_columns tc
                 WHERE tc.owner = o.owner AND tc.table_name = o.object_name) >
                  0
          THEN
             SUBSTR (
                DBMS_METADATA.get_ddl (object_type, object_name, owner),
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                INSTR (
                   DBMS_METADATA.get_ddl (object_type, object_name, owner),
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                   2
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             || CASE
                   WHEN (SELECT COUNT (*)
                           FROM sys.obj$ so,
                                sys.cdef$ scd,
                                sys.con$ sc,
                                sys.user$ su
                          WHERE     su.user# = so.owner#
                                AND so.obj# = scd.obj#
                                AND scd.con# = sc.con#
                                AND so.obj# = scd.obj#
                                AND scd.type# != 7
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                                AND su.name = o.owner) = 0
                   THEN
                      ',column5 number(3,0) default 0'
                   ELSE
                      'column5 number(3,0) default 0,'
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             || SUBSTR (
                   DBMS_METADATA.get_ddl (object_type, object_name, owner),
                   INSTR (
                      DBMS_METADATA.get_ddl (object_type, object_name, owner),
                      CHR (10),
                      1,
                      2
                      + (SELECT COUNT (*)
                           FROM dba_tab_columns tc
                          WHERE tc.owner = o.owner
                                AND tc.table_name = o.object_name)))
          ELSE
             DBMS_METADATA.get_ddl (object_type, object_name, owner)
       END
          t
FROM dba_objects o
WHERE owner = 'U';=================output========================
CREATE TABLE "U"."T1"
   (    "C1" NUMBER,
        "C2" NUMBER,
        "C3" NUMBER,
        "C4" NUMBER,
column5 number(3,0) default 0,
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TABLESPACE "USERS" ENABLE
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PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
TABLESPACE "USERS" ;
CREATE UNIQUE INDEX "U"."SYS_C0025504" ON "U"."T1" ("C1")
PCTFREE 10 INITRANS 2 MAXTRANS 255
TABLESPACE "USERS" ;
CREATE TABLE "U"."T3"
   (    "C1" NUMBER NOT NULL ENABLE,
        "C2" NUMBER,
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,column5 number(3,0) default 0
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PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
TABLESPACE "USERS" ;
CREATE TABLE "U"."T4"
   (    "C1" NUMBER,
column5 number(3,0) default 0,
         FOREIGN KEY ("C1")
          REFERENCES "U"."T1" ("C1") ENABLE
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PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
TABLESPACE "USERS" ;
CREATE TABLE "U"."T2"
   (    "C1" NUMBER,
        "C2" NUMBER,
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        "C4" NUMBER
,column5 number(3,0) default 0
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PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
TABLESPACE "USERS" ;
CREATE TABLE "U"."T5"
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column5 number(3,0) default 0,
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USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255
TABLESPACE "USERS" ENABLE
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PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
TABLESPACE "USERS" ;
CREATE UNIQUE INDEX "U"."SYS_C0025507" ON "U"."T5" ("C1")
PCTFREE 10 INITRANS 2 MAXTRANS 255
TABLESPACE "USERS" ;
CREATE TABLE "U"."T6"
   (    "C1" NUMBER,
column5 number(3,0) default 0,
         CHECK (c1 > 0) ENABLE
   ) SEGMENT CREATION DEFERRED
PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
TABLESPACE "USERS" ;
CREATE TABLE "U"."T7"
   (    "C1" NUMBER NOT NULL ENABLE
,column5 number(3,0) default 0
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PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
TABLESPACE "USERS" ;

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Hi all,
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Thanks,
P Prakash

please go here
Introduction to regular expressions ...
Thanks,
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Hello Everyone,
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Most likely the IR filter will make use of REGEXP_LIKE so you can pick that function from the menu.
Flavio
http://oraclequirks.blogspot.com
http://www.yocoya.com

Regular expression - Replace not like

Hi All,
Is there a regexp pattern to replace anything other than 'oracle' from the below string.
"oracle sdsd oracle xyd fgh oracle idmdh asasas trtrt"
The result will be "oracleoracleoracle"
If I want to write like regexp_replace('oracle sdsd oracle xyd fgh oracle idmdh asasas trtrt',<pattern>), what should be the pattern?
I know how to get the result by nesting regexp and other functions.
But is there any single pattern for this?
Thanks in advance.
Note; This is not a business requirement, trying to learn regexp..

884476 wrote:
Could you please explain what does that pattern mean? We can look at your string as a sequence of substrings where each substring is set of characters (part A) followed by word oracle or, in last substring, by end-of-line (part B). Each of such substrings be want to replace with part B thus removing part A.
Dot (.) means any character. Asterisk (*) means repeated 0 or more times. This is our part A (I'll get back to ? later). Pipe (|) means OR. Dollar sigh ($) means end-of-line. Parenthesis mean grouping. So ((oracle)|$) means string oracle or end-of line. This is our part B. Now back to question mark. By default Oracle regular expressions are "greedy". We say any character repeated any number of times followed by word oracle. Since word oracle itself matched definition of any character repeated any number of times (6 in this case) regexp will match it that way that it will be from the beginning of the string to last occurrence of word oracle - that's why it is called "greedy". Question mark (?) tells regexp not to use greedy matching, therefore '.*?oracle' will stop at first occurrence of word oracle. Now replacement string. Notation \1 is grouping backreference. Group 1 is ((oracle)|$) and, as I already noted, means string oracle or end-of line (whichever was found).
SY.

Oracle Database Express Edition 10g Download Issue

Hi everyone. I just downloaded the freeware Oracle Database Express Edition without any apparent problems. However, when I attempt to go to the Express Edition Homepage, which is location http://127.0.0.1:8080/apex,
I get the message that my Internet Explorer cannot display the webpage. (It can, however, display other pages.) I cannot understand why this is the case since I successfully added Web site 127.0.0.1 in my Control Panel (as specified in the instructions.) Also, the instructions stated that HTTP port 8080 was the default port, unless my system said that this was not available (which it did not.) I also tried rebooting, which did not make a difference. Help!
Thanks,
Jason

user13176791 wrote:
Hi everyone. I just downloaded the freeware Oracle Database Express Edition without any apparent problems. However, when I attempt to go to the Express Edition Homepage, which is location http://127.0.0.1:8080/apex,
I get the message that my Internet Explorer cannot display the webpage. (It can, however, display other pages.) I cannot understand why this is the case since I successfully added Web site 127.0.0.1 in my Control Panel (as specified in the instructions.) Also, the instructions stated that HTTP port 8080 was the default port, unless my system said that this was not available (which it did not.) I also tried rebooting, which did not make a difference. Help!There is a forum dedicated to Express Edition, in which we have discussed a lot of the variants in failure that causes this problem. At the top of the page you are reading, there should be links like "Forum Home » Database » Database - General". The middle one will get you to a list of all Oracle forums and after the first 5, the rest are alphabetical - XE is pretty far down that page.
(You might also note that there is an Installation forum next to this one. That might be better suited to the task than the 'catch-all' general forum.)
The most common issues are related to not preparing the operating system properly. For example, if you use a laptop you probably use DHCP to get a different address from the various sites you connect to. However, Oracle works as a server and depends on having a well known address. In fact, it tends to bind the IP address at install into it's configuration files. Therefore it is critical to use the loopback adapter in such situations.
Other issues are dependent on the actual OS into which you install. For example, Ubuntu (Linux) has very differnet install philosophy as Red Hat / Fedora, and requires a different install technique. Then again, on Windows, it is nearly impossible to install anything Oracle on a Windows 'Home' OS, and XE generally has not even been tested against Windows 7.
Other common reasons include anti-virus; firewall; not having appropriate operating system level permissions; in Windows - using a Domain-based userid instead of a local administrator; and just general finger issues.
Express is considerably different in the install behaviour and runtime behaviour. For example. it uses RPM and MSI instead of Oracle Universal Installer. It does not include Java in the database, which limits a lot of functionality. And it uses the built-in PL/SQL Web Gateway instead of any external HTTP server. As a result, it can be quite a shock to mmany of the regular inhabitants in this forum.
I strongly encourage reading the documentation for XE. In particular, reading the install doc. Start at http://tahiti.oracle.com and look for the Oracle Database 10g Release 2 Express Edition documentation. (Just below the Oracle Database 10g Release 2 documentation.)
G'luk

Oracle Regular expression issue

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