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Sample UDFs for String Searching

Eight UDFs that search VARCHAR and CLOB string sources to see if they contain VARCHAR or CLOB string sets. Four of the UDFs are overloaded (named the same) to return the result in the form of VARCHAR or CLOB string while the other four UDFs are overloaded to return an INTEGER index into the string source if a match is found.

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Sample UDFs for String Searching