Need help on UDF.

Hi All,

I have a requirment like

my source have 2 fields

field1 having data 1cc2cc3cc4cc5cc

feild2 having data accbccdddcceccfffffcc

in need output like 1cc2cc333cc4cc55555cc please help me to get this type of output.

Note cc means context change, we need to reah values of contexts with source and generate like that.

Thanks,

Venu.