Processsing non-printing ASCII characters using ABAP

Hi All,
I would like to process a GUI field input that contains a non-printing ASCII character. It is actually from barcode being read into a GUI field that is then picked up by an ABAP program e.g. in readable format looks like this: 123456789 but actually contains a non-printing ASCII character (ASCII char 29) used as a data separator e.g. 1234<sep>567<sep>89.
I would like to parse the input using ABAP at the non-printing ASCII character so that I have 3 variables A=1234 & B=567 & C=89.
How should I best tackle this?
Cheers,
N.

Pls check this...
DATA: hx29 type x value '29'.
data : wa_hx29(1).
data : wa_str(30) type c.
data : wa_str1(10),wa_str2(10),wa_str3(7).
wa_hx29 = hx29.
split wa_str at wa_hx29 into wa_str1 wa_str2 wa_str3.

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SQL*Plus: Release 11.1.0.6.0 - Production on Fri May 23 21:25:29 2008
Copyright (c) 1982, 2007, Oracle. All rights reserved.
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Message was edited by:
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