String /pattern formatting extraction question

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Hi to all, 

I have the following pattern for a string:

text1 /ptext2 /otext3

Now, I want to extract the text by "patterns" from this string by the following rule:

no pattern -> text1 (what is before /o or /p)
/p -> text2 (what is after /p)
/o -> text3 (what is after /o)

The order betweeen /o and /p can be switched, so there is no rule that /p is before /o.

How can I do this? I tried ereg but no success.

Andy.

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