Extract string between two parts

Hi all,
I am trying to extract a string using the regexp substr with no luck:
string is :
ws-servername.domain name
example:
ws-db1.mydomain
desired outcome :
servername only
any ideas ?
Thanks
Yoav

SELECT Regexp_Substr('ws-servername.domain name',
                     '[^\.^\-]+',
                     1,
                     Rn + 1)
FROM   (SELECT Regexp_Count('ws-servername.domain name',
                            '[-]+') Rn
        FROM   Dual)Edited by: Sen on Dec 6, 2011 5:14 AM

Similar Messages

How would I split a string between two strings?

Hi Guys,
I have a question hopefully you guys can help with..
I have a set of data similar to
sefsfesef<1111>Example<2222>desefsefsefefsefsef<1111>Example2<2222>sefsefsef
What I want to do is split my string between the <1111> and <2222> and get "Example" and "Example2" back... is this possible in Java? Possibly using regular expressions of sorts. I'm a little lost, any help would be much appreciated!
Thanks,
Vasant

Here is an example (parse.java) that will work provided that the content between <1111> and <2222> does not contain the < character.
import java.util.regex.*;
public class parse {
public static void main(String args[]) {
    String teststring = "sefsfesef<1111>Example<2222>desefsefsefefsefsef<1111>Example2<2222>sefsefsef";
    Pattern p = Pattern.compile("<1111>([^<]*)<2222>");
    Matcher m = p.matcher(teststring);
    while(m.find()) {
      System.out.println(m.group(1));
}I'm sure some regex guru around here could solve this one in 3 characters or less, but that ain't me :)

Regex: Extracting text between two HTML tags

Hello,
the common answer to this question would be
<tag>(.*)</tag>
or
<tag>[^<]*But I have LFs (and whitespace) around the tags:
<html>
<body>
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</body>
</html>So I tried
(?s)<body>(.*)</body>But that didn't help.
What's missing?

Thanks for your replies.
@Sabre
I tried your suggestion with the following code to no avail
import java.util.*;
import java.util.regex.*;
public class X {
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"<html>\n"+
" <head>\n"+
"\n"+
" </head>\n"+
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"    One <u>text line</u> to be retrieved.\n"+
" </body>\n"+
"</html>";
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Paul had a similar objection. But as I've written, my html string will always have this same structure and all I have to do is to extract the text. So if regex doesn't work in that case, I'd rather prefer two indexOf-s instead of bothering a parser.

Extract substrings between two words

public class test
public static void testing()
     String text = "<div>teext</div>sdfaf<div id='ii'>wwwwwww</div><div>nice</div>";
     String left = "<div>";
     String right = "</div>";
     int start = text.indexOf(left);
     int end = text.indexOf(right);
     int linkNum = 0;
     String[] parts = new String[50];
     while ((start = text.indexOf(left, start)) != -1) {
          start = text.indexOf(left, start);
          end = text.indexOf(right, end);
          parts[linkNum] = left + text.substring(start+1, text.indexOf(left, start+1));
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          start = (end + 1);
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public static void main(String[] args) throws Exception {
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must output
find: teext
find: nice
but i have the following error
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of range: -42
        at java.lang.String.substring(String.java:1444)
        at test.testing(test.java:15)
        at test.main(test.java:24)
Press any key to continue...
Can you plese tell me what's the problem ? Tnx
Edited by: beginner1983 on Jun 8, 2009 7:14 AM

String regex = "(?s)(?<=<div>).*?(?=</div>)"; That will work in this case because the start tags don't contain any attributes. If there may be attributes, and you don't know or care which attributes and values will be present, you would use something like this for the start tag: "<div[^<>]*>"; But you can't use that in a lookbehind, because there's no obvious upper limit to the number of characters it can match. (That requirement is peculiar to Java, by the way; among other regex flavors, some permit only fixed-length matches in lookbehinds, while others place no restrictions on them at all.)
I'm with da.futt on this point: lookarounds should never be your first resort. Lookbehinds, especially, are much trickier than most people expect on first encountering them. You tend to find yourself going through ridiculous contortions trying to fit them into the overall regex. Lookaheads are much easier to work with, but you have to be careful to keep them in sync with your expectations; the can be slippery.
In this case, your first impulse should have been to do a straight match of the whole element, with a capturing group to extract the element's content: String regex = "(?s)<div>(.*?)</div>";
while (m.find()) {
    System.out.println(m.group(1));
} By the way, my copy of the [Regular Expressions Cookbook|http://www.amazon.com/gp/product/0596520689?ie=UTF8&tag=jgsbookselection&linkCode=as2&camp=1789&creative=390957&creativeASIN=0596520689] arrived the other day, and it did not disappoint. Good, solid stuff there.

Find string between two characters -- regex?

So this seems like a regex type thing, but I'm still incredibly regex illeterate. If I have an offset in a string, I want to find all words separated by the space before and the space following that location.
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CLA, LabVIEW Versions 2010-2013

Yamaeda wrote:
Or you split the string at the Offset, reverse the first half, look for the 2nd space in each (which can be a regex, similar to [^\s]*[^\s]*) then revese back and recombine.
/Y
Droppin' knowledge.
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Basic questions. Is it possible with the scan from string regular expression to extract the string that are within the specified delimiters. Here is an example:
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I have tried \\\\%s\\%s\\%s\\%s but the %s stops at the first white space.
Thanks,
Michel
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Go to Solution.

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Formula:
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I have a large data in clob column and string between two values needs to be trimmed to 10 bytes.
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<Val>123 Main Street</Val><Addr></Addr><Val>321 Main Street</Val><OtherNode></OtherNode>
And, I would like my result to be:
<Val>123 Main S</Val><Addr></Addr><Val>321 Main S</Val><OtherNode></OtherNode>
What will be the fastest way to update this clob column or probably insert into a new table. (I do not have XML DB installted on this database, so I cannot use XML parser)
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Hi,
Sorry, I made a mistake.
Try this:
SELECT REGEXP_REPLACE ( '<Val>2010-10-31 16:59:24</Val>'
                        , '(<Val>[^<]{1,3000})'    || -- \1 = <Val> and up to 3000 characters (not <)
                             '[^<]*'               || -- 0 or more characters (not <) to be removed
                 '(\</Val>)'               -- \2 = </Val>
                        , '\1\2'
                        )     AS val_substring
FROM    dual;A plus-sign in a pattern means the preceding is repeated 1 or more times.
I meant to use an asterisk to mean 0 or more times on this row:
...                          '[^<]*'               || -- 0 or more characters (not <) to be removed
--                     + was here originally
By the way, you may have noticed that this site normally doesn't display multiple spaces in a row.
Whenever you post formatted text (including, but not limited to, code) on this site, type these 6 characters:
\(small letters only, inside curly brackets) before and after each section of formatted text, to preserve spacing.
This is especially helpful with regular expressions, not only because they're confusing enough with formatting, but because they use brackets which this site may interpret as markup and not print correctly.

Substring between two words from a clob

How to extract a string between two words from a clob variable in PL/SQL?

My requirement is to extract the soap envelope from a clob. In the below code l_response returned from the http request is a clob with the below format. I need to extract all the text that is between '<s:Envelope' and 's:Envelope>'. That means I need to get rid of the first 5 lines and the last line from the l_response. Can you please help me with the logic?
--uuid:18cb22a2-11cc-43f4-bfea-c213da179d30+id=157
Content-ID: <http://tempuri.org/0>
Content-Transfer-Encoding: 8bit
Content-Type: application/xop+xml;charset=utf-8;type="application/soap+xml"
<s:Envelope xmlns:s="http://www.w3.org/2003/05/soap-envelope" xmlns:a="http://www.w3.org/2005/08/addressing"><s:Header><a:Action s:mustUnderstand="1">http://tempuri.org/IUpdateService/QueryUpdateLogRecordsResponse</a:Action><a:RelatesTo>urn:uuid:413f419c-f489-44ea-bd12-dff6f24a4d71</a:RelatesTo></s:Header><s:Body><QueryUpdateLogRecordsResponse xmlns="http://tempuri.org/"><QueryUpdateLogRecordsResult xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns:x="http://www.w3.org/2001/XMLSchema"><XObject.m_element i:type="x:string" xmlns=""><QueryResult Count="2" NextStart="0" PreviousStart="0" Id="{AD62FD77-AFBE-4362-BBEF-695DA5D92640}"><Columns Count="33"><Column AttributeName="Id"
… 5 pages later…
DateModified="2014-07-06 07:34:41.9129549-07:00" /></Records></QueryResult></XObject.m_element></QueryUpdateLogRecordsResult></QueryUpdateLogRecordsResponse></s:Body></s:Envelope>
--uuid:18cb22a2-11cc-43f4-bfea-c213da179d30+id=157—
DECLARE
   l_request             VARCHAR2 (4000);
   l_http_req            UTL_HTTP.req;
   l_http_resp           UTL_HTTP.resp;
   v_buffer              VARCHAR2 (32767);
   n_next_start_record   NUMBER (20) := 1;
   l_response            CLOB;
BEGIN
   -- Call webservices. Works fine
   l_request :=
         '--uuid:e4c19840-745d-45b2-90ca-12d71be4cfd9+id=2'
      || CHR (13)
      || CHR (10)
      || 'Content-ID: <http://tempuri.org/0>'
      || CHR (13)
      || CHR (10)
      || 'Content-Transfer-Encoding: 8bit'
      || CHR (13)
      || CHR (10)
      || 'Content-Type: application/xop+xml;charset=utf-8;type="application/soap+xml"'
      || CHR (13)
      || CHR (10)
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      || CHR (10)
      || '<s:Envelope xmlns:s="http://www.w3.org/2003/05/soap-envelope" xmlns:a="http://www.w3.org/2005/08/addressing"><s:Header><a:Action s:mustUnderstand="1">http://tempuri.org/IUpdateService/QueryUpdateLogRecords</a:Action><a:MessageID>urn:uuid:413f419c-f489-44ea-bd12-dff6f24a4d71</a:MessageID><a:ReplyTo><a:Address>http://www.w3.org/2005/08/addressing/anonymous</a:Address></a:ReplyTo><a:To s:mustUnderstand="1">http://dexdb5/DexNETWebServices_4_0_0_4/UpdateService.svc</a:To></s:Header><s:Body><QueryUpdateLogRecords xmlns="http://tempuri.org/"><context xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns:x="http://www.w3.org/2001/XMLSchema"><XObject.m_element i:type="x:string" xmlns=""><OnlineContext SystemId="'
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      || g_user_id
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      || p_next_start_record
      || '" Count="'
      || g_records_count
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      UTL_HTTP.begin_request (g_query_updatelog_records_url, 'POST', 'HTTP/1.1');
   UTL_HTTP.set_header (l_http_req, 'MIME-Version', '1.0');
   UTL_HTTP.set_header (
      l_http_req,
      'Content-Type',
      'multipart/related; type="application/xop+xml";start="<http://tempuri.org/0>";boundary="uuid:e4c19840-745d-45b2-90ca-12d71be4cfd9+id=2";start-info="application/soap+xml"');
   UTL_HTTP.set_header (
      l_http_req,
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      'uIDPo5F/qXRc4YJImqB6Ard30cQAAAAAAjIXinpIVUulXLJOsSG7yyv7Lf2yHgpHlIxvc6oeqaAACQAA');
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   DBMS_LOB.createtemporary (l_response, FALSE);
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      THEN
         NULL;
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                l_response,
                  INSTR (l_response, 's:Envelope>', -1)
                - INSTR (l_response, '<s:Envelope'),
                INSTR (l_response, '<s:Envelope'))
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     INTO l_response
     FROM DUAL;
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      SELECT xt.nextstart
        INTO n_next_start_record
        FROM XMLTABLE (
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Extract string between two parts

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