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When you are using string operations like CS or CA or COetc then you need to check if letters in other variable are present in first variable or not and if present position of that point is given by sy-fdpos.
L1 = 'ABC?DGHI'
L2 = ' ? '
NOW if you check L1 CS L2 then
sy-fdpos will return as 4 bcoz ? is at fourth position.
The system field SY-FDPOS contains the length of Field.
pls follow the below code.
data:
l_values(11) type c value '0123456789.'.
if v_string co l_values.
"Then your string variable V_STRING contains only 0-9 or dot'
else.
"Then the string variable V_STRIN contains at least one some other value"
endif.
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>
When you are using string operations like CS or CA or COetc then you need to check if letters in other variable are present in first variable or not and if present position of that point is given by sy-fdpos.
L1 = 'ABC?DGHI'
L2 = ' ? '
NOW if you check L1 CS L2 then
sy-fdpos will return as 4 bcoz ? is at fourth position.
while searching in a string for a particular character, if that character is there in that strin sy-fdpos gives the position where that character is present in the string.
SY_FDPOS is a system field which maintains the current position for the characters.
for ex when u want to search a character or a string then sy-fdpos is useful for u.
Bluesky
