CLOB replace problems

Hi!,
I using 11g and am trying to replace a string within a clob field. My only problem is the link I am replacing is different in every occurance. I am replacing textbook links that are all different with a general link. For example Engr 1120 current has this data in the clob field.
https://ttuss1.tntech.edu/textbook_listing.php?t=201210&p=ENGR&c=1120&s=002" target="_blank">Textbook Information</a></a>
This section involves an online component. This section must be taken with ENGR1120-102. This section will utilize the Fortran language. Fortran is the required language for students intending to major in CEE and is accepted for students intending to major in ChE or ME.
I want to replace only the text "https://ttuss1.tntech.edu/textbook_listing.php?t=201310&p=ENGR&c=1120&s=002" target="_blank">Textbook Information
with this
http://tenn-tech.bncollege.com/webapp/wcs/stores/servlet/TBWizardView?catalogId=10001&storeId=28563&langId=-1
The p=ENGR&c=1120&s=002 part of the link is different for every textbook. How can I do this since I can't seem to find a way to use replace using a like statement? I can load the data into a temp table and make it a varchar field but that still doesn't solve my problem with the like issue.
Edited by: Withnoe on Jan 29, 2013 11:54 AM

If the LIKE operator is not powerful enough for you, you may consider using regular expressions (REGEX).
This link is a good start - http://docs.oracle.com/cd/B28359_01/appdev.111/b28424/adfns_regexp.htm
Iordan Iotzov
http://iiotzov.wordpress.com/

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Hi Dionyssis:
Replace:
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Cindy Rosenbaum wrote:
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Is there any easy and safe way to use replace on a CLOB bigger then 32k characters?
Best regards,
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This works
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test clob;
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Edited by: ascheffer on Apr 19, 2013 9:25 AM

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