>I don't understand.
>Cetin
>
>>In general case it's not simple because the STRTRAN() could create match for the next one.
>>
>>>You're right. Not hard to handle luckily.
>>>Cetin
>>>

* find BA replace with AB
* data    ....BAA....
* BLOCKS  ....BA|A...
* STRTRAN ....AB|A...