Using StartsWith for String Comparision in Business rules

hi,
I need to compare whether a particular string starts with some pre-defined prefixes. These are bound to change from time to time and hence we wanted to use the business rule engine for this. We declared prefixes using "list of values" vocab and
defined the set. Now, I hoped to use the String.StartsWith() method but couldn't understand if it can be used.
As of now, we are creating a method and that will be called with 2 parameters. One the string and other is one of the list of values which we want the string to start with. Is there any better way to do this?
Praveen Behara
MCST : BizTalk Server 2006 R2, 2010

Hi Murugesan,
I need to match a particular series of numbers... say 12xxx,345xxx,567xxx. I am creating a
Series as a list and the valid values would be 12, 345, 567. I intend to keep them as prefixes i.e. they are not regular expressions. So, they won't be 12.*, 345.*, 567.*. The idea is to keep the vocab close to requirement
and away from implementation (typically, for a business user). Now, if I want this setup, how will the implementation with
Match look like?
Technically, your above solution would work.. but my way of implementation / thought process is for a different purpose.
Praveen Behara
MCST : BizTalk Server 2006 R2, 2010

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http://john-goodwin.blogspot.com/

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Program for string comparision in ABAP

Hi,
I require a program in abap for string comparision

Comparing Strings
Similarly to the special statements for processing strings, there are special comparisons that you can apply to strings with types C, D, N, and T. You can use the following operators:
<operator>
Meaning
CO
Contains Only
CN
Contains Not only
CA
Contains Any
NA
contains Not Any
CS
Contains String
NS
contains No String
CP
Contains Pattern
NP
contains No Pattern
There are no conversions with these comparisons. Instead, the system compares the characters of the string. The operators have the following functions:
CO (Contains Only)
The logical expression
<f1> CO <f2>
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CN (Contains Not only)
The logical expression
<f1> CN <f2>
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CA (Contains Any)
The logical expression
<f1> CA <f2>
is true if <f1> contains at least one character from <f2>. The comparison is case-sensitive. If the comparison is true, the system field SY-FDPOS contains the offset of the first character of <f1> that also occurs in <f2> . If it is false, SY-FDPOS contains the length of <f1>.
NA (contains Not Any)
The logical expression
<f1> NA <f2>
is true if <f1> does not contain any character from <f2>. The comparison is case-sensitive. If the comparison is true, the system field SY-FDPOS contains the length of <f1>. If it is false, SY-FDPOS contains the offset of the first character of <f1> that occurs in <f2> .
CS (Contains String)
The logical expression
<f1> CS <f2>
is true if <f1> contains the string <f2>. Trailing spaces are ignored and the comparison is not case-sensitive. If the comparison is true, the system field SY-FDPOS contains the offset of <f2> in <f1> . If it is false, SY-FDPOS contains the length of <f1>.
NS (contains No String)
The logical expression
<f1> NS <f2>
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CP (Contains Pattern)
The logical expression
<f1> CP <f2>
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for any character string *
for any single character +
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If you want to perform a comparison on a particular character in <f2>, place the escape character # in front of it. You can use the escape character # to specify
characters in upper and lower case
the wildcard character "" (enter # )
the wildcard character "" (enter # )
the escape symbol itself (enter ## )
blanks at the end of a string (enter #___ )
NP (contains No Pattern)
The logical expression
<f1> NP <f2>
is true if <f1> does not contain the pattern <f2>. In <f2>, you can use the same wildcards and escape character as for the operator CP.
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DATA: F1(5) TYPE C VALUE <f1>,
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IF F1 <operator> F2.
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ELSE.
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ENDIF.
The following table shows the results of executing this program, depending on which operators and values of F1 and F2.
<f1>
<operator>
<f2>
Result
SY-FDPOS
'BD '
CO
'ABCD '
true
5
'BD '
CO
'ABCDE'
false
2
'ABC12'
CN
'ABCD '
true
3
'ABABC'
CN
'ABCD '
false
5
'ABcde'
CA
'Bd '
true
1
'ABcde'
CA
'bD '
false
5
'ABAB '
NA
'AB '
false
0
'ababa'
NA
'AB '
true
5
'ABcde'
CS
'bC '
true
1
'ABcde'
CS
'ce '
false
5
'ABcde'
NS
'bC '
false
1
'ABcde'
NS
'ce '
true
5
'ABcde'
CP
'b'
true
1
'ABcde'
CP
'#b'
false
5
'ABcde'
NP
'b'
false
1
'ABcde'
NP
'#b'
true
5
goto sap library if intsalled in ur system and check the above one....

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hello,
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hello,
I am using Oracle Business Rule beta version to develop a rule base application.
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Hi,
I would like to know more about the impact of using operator == in String Comparison.
From the reference I get, it state this :
"Operator (==) compares two object addresses to see whether it refers to the same object."
I've tested it with 2 codes as below :
Code 1:
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Can anyone kindly explain why is the result so?It's an implementation artifact. Strings are pooled internally and because of that any String literal will be represented by exactly one object reference.
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