comparing strings if co (sap library - abap programming (bc-aba))
DESCRIPTION
Comparing StringsSimilarly to the special statements for processing strings, there are special comparisons that youcan apply to strings with types C, D, N, and T. You can use the following operators: MeaningCO Contains OnlyCN Contains Not onlyCA Contains AnyNA contains Not AnyCS Contains StringNS contains No StringCP Matches patternNP Does not match patternThere are no conversions with these comparisons. Instead, the system compares the characters of the string. Theoperators have the following functions:CO (Contains Only)The logical expression CO is true if contains only characters from . The comparison is case-sensitive. Trailing blanks are included. Ifthe comparison is true, the system field SY-FDPOS contains the length of . If it is false, SY-FDPOS containsthe offset of the first character of that does not occur in .CN (Contains Not only)The logical expression CN is true if does also contains characters other than those in . The comparison is casesensitive.Trailing blanks are included. If the comparison is true, the system field SY-FDPOScontains the offset of the first character of that does not also occur in . If it is false, SYFDPOScontains the length of .CA (Contains Any)The logical expression CA is true if contains at least one character from . The comparison is case-sensitive. If thecomparison is true, the system field SY-FDPOS contains the offset of the first character of that also occurs in . If it is false, SY-FDPOS contains the length of .NA (contains Not Any)The logical expression NA is true if does not contain any character from . The comparison is case-sensitive. If thecomparison is true, the system field SY-FDPOS contains the length of . If it is false, SY-FDPOScontains the offset of the first character of that occurs in .CS (Contains String)The logical expression CS is true if contains the string . Trailing spaces are ignored and the comparison is not27/02/13 Comparing Strings (SAP Library - ABAP Programming (BC-ABA))help.sap.com/saphelp_nw04/Helpdata/EN/fc/eb3516358411d1829f0000e829fbfe/content.htm 2/3case-sensitive. If the comparison is true, the system field SY-FDPOS contains the offset of in . If it is false, SY-FDPOS contains the length of .NS (contains No String)The logical expression NS is true if does not contain the string . Trailing spaces are ignored and the comparison isnot case-sensitive. If the comparison is true, the system field SY-FDPOS contains the length of. If it is false, SY-FDPOS contains the offset of in .CP (Contains Pattern)The logical expression CP is true if matches the pattern . If is of type C, you can use the following wildcards in :for any character string: *for any single character: +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 in . If it is false, SY-FDPOS containsthe length of .If you want to perform a comparison on a particular character in , place the escape character #in front of it. You can use the escape character # to specifycharacters in upper and lower casethe 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 NP is true if does not match the pattern . In , you can use the same wildcards and escape character asfor the operator CP.Trailing spaces are ignored and the comparison is not case-sensitive. If the comparison is true,the system field SY-FDPOS contains the length of . If it is false, SY-FDPOS contains the offsetofTRANSCRIPT
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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 Matches pattern
NP Does not match 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>
is true if <f1> contains only characters from <f2>. The comparison is case-sensitive. Trailing blanks are included. 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 does not occur in <f2>.
CN (Contains Not only)
The logical expression
<f1> CN <f2>
is true if <f1> does also contains characters other than those in <f2>. The comparison is case-
sensitive. Trailing blanks are included. If the comparison is true, the system field SY-FDPOS
contains the offset of the first character of <f1> that does not also occur in <f2>. If it is false, SY-
FDPOS contains the length of <f1>.
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
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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>
is true if <f1> does not contain 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 length of
<f1>. If it is false, SY-FDPOS contains the offset of <f2> in <f1> .
CP (Contains Pattern)
The logical expression
<f1> CP <f2>
is true if <f1> matches the pattern <f2>. If <f2> is of type C, you can use the following wildcards in <f2>:
for any character string: *
for any single character: +
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>.
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 match the pattern <f2>. In <f2>, you can use the same wildcards and escape character as
for the operator CP.
Trailing spaces are ignored and the comparison is not 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 <f2> in <f1> .
DATA: f1(5) TYPE c VALUE <f1>,
f2(5) TYPE c VALUE <f2>.
IF f1 <operator> f2.
WRITE: / 'Vergleich wahr, SY-FDPOS=', sy-fdpos.
ELSE.
WRITE: / 'Vergleich falsch, SY-FDPOS=', sy-fdpos.
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
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'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