how to make multi variable for Replace String in C/AL code

Suhail · 2019-05-05

Hi guys,

Im new in c/al code, i build a Replace String Function and im trying to save the output in a Variable "ReplaceText" and use this variable for all conditions i have but it dose't work for all, just for one condition or one line, to be clear for you this my variables:

ReplaceText := ReplaceString(TEXT,'واحد مائة','مائة');
ReplaceText := ReplaceString(TEXT,'اثنان مائة','مائتان');
ReplaceText := ReplaceString(TEXT,'اثنان مائة','مئتان');

if you noted i repeat my variable to take all conditions but it doesn't work, if i remove the two line and i kept just first line its work perfectly, please help..

Jan87 · 2019-05-05

I tested your function.

You have the problem, that you produce a infinite loop, because the "FindWhat" is inside the "ReplaceText" and so you never leave the "WHILE".

You have do to something like:

donePos, currPos are Integer
subStr is Text
other variables I renamed like yours

donePos:= STRPOS(String,FindWhat);
currPos := donePos;
WHILE (currPos> 0) DO BEGIN
  String := COPYSTR(String,1,donePos-1) + ReplaceWith + COPYSTR(String,donePos+STRLEN(FindWhat));
  subStr := COPYSTR(String,donePos+STRLEN(ReplaceWith));
  currPos := STRPOS(subStr,FindWhat);
  donePos:= donePos+ currPos + STRLEN(ReplaceWith) - 1;
END;
NewString := String;

Jan87 · 2019-05-05

what is the error? or does the client not respond? or do you get a wrong result?

Duikmeester · 2019-05-06

The easiest ReplaceString function without COPYSTR's:

OnRun()
aText := 'The quick brown fox jumps over the lazy dog';
aText := ReplaceString(aText,'quick','');
aText := ReplaceString(aText,'brown','black');
aText := ReplaceString(aText,'fox','wolf');
aText := ReplaceString(aText,'lazy','big');
aText := ReplaceString(aText,'dog','rock');
aText := ReplaceString(aText,'  ',' ');
MESSAGE(aText);

ReplaceString(theText : Text;theOld : Text;theNew : Text) : Text
aPosition := STRPOS(theText,theOld);

WHILE aPosition > 0 DO BEGIN
  theText := DELSTR(theText,aPosition,STRLEN(theOld));
  theText := INSSTR(theText,theNew,aPosition);
  aPosition := STRPOS(theText,theOld);
END;

EXIT(theText);

Jan87 · 2019-05-05

Hi Suhail,

not sure what the context is but I think you forgot to use the result from the first in the following calls.

so it should be:

ReplaceText := ReplaceString(TEXT,'واحد مائة','مائة');
ReplaceText := ReplaceString(ReplaceText,'اثنان مائة','مائتان');
ReplaceText := ReplaceString(ReplaceText,'اثنان مائة','مئتان');

Suhail · 2019-05-05

unfortunately, it doesn't work by this way, the function not work

Jan87 · 2019-05-05

can you post your function, so we could see what is not working there?

Suhail · 2019-05-05

Sure,

ReplaceString(String : Text[300];FindWhat : Text[300];ReplaceWith : Text[300]) NewString : Text[300]

WHILE STRPOS(String,FindWhat) > 0 DO
String := DELSTR(String,STRPOS(String,FindWhat)) + ReplaceWith + COPYSTR(String,STRPOS(String,FindWhat) + STRLEN(FindWhat));
NewString := String;

EDM.InitTextVariable; EDM.NumberInWords(Amount),'ريال سعودي','هللة');
TEXT := AmountInWords;
ReplaceText := ReplaceString(TEXT,'واحد مائة','مائة');
ReplaceText := ReplaceString(ReplaceText,'اثنان مائة','مائتان');
ReplaceText := ReplaceString(ReplaceText,'اثنان مائة','مئتان');

Jan87 · 2019-05-05

I tested your function.

You have the problem, that you produce a infinite loop, because the "FindWhat" is inside the "ReplaceText" and so you never leave the "WHILE".

You have do to something like:

donePos, currPos are Integer
subStr is Text
other variables I renamed like yours

donePos:= STRPOS(String,FindWhat);
currPos := donePos;
WHILE (currPos> 0) DO BEGIN
  String := COPYSTR(String,1,donePos-1) + ReplaceWith + COPYSTR(String,donePos+STRLEN(FindWhat));
  subStr := COPYSTR(String,donePos+STRLEN(ReplaceWith));
  currPos := STRPOS(subStr,FindWhat);
  donePos:= donePos+ currPos + STRLEN(ReplaceWith) - 1;
END;
NewString := String;

Suhail · 2019-05-05

Thanks Jan87 for your effort but still doesn't work

i copy your code exactly in the function and i declare the donePos, currPos as Integer
subStr as Text but nothing changed

Suhail · 2019-05-05

im using this function in a report and in Dynamics NAV 2018

Jan87 · 2019-05-05

what is the error? or does the client not respond? or do you get a wrong result?

Suhail · 2019-05-05

its working now, sorry this my bad i didnt compile the code correctly, Thank Again Jan87,, i really appreciated

Duikmeester · 2019-05-06

The easiest ReplaceString function without COPYSTR's:

OnRun()
aText := 'The quick brown fox jumps over the lazy dog';
aText := ReplaceString(aText,'quick','');
aText := ReplaceString(aText,'brown','black');
aText := ReplaceString(aText,'fox','wolf');
aText := ReplaceString(aText,'lazy','big');
aText := ReplaceString(aText,'dog','rock');
aText := ReplaceString(aText,'  ',' ');
MESSAGE(aText);

ReplaceString(theText : Text;theOld : Text;theNew : Text) : Text
aPosition := STRPOS(theText,theOld);

WHILE aPosition > 0 DO BEGIN
  theText := DELSTR(theText,aPosition,STRLEN(theOld));
  theText := INSSTR(theText,theNew,aPosition);
  aPosition := STRPOS(theText,theOld);
END;

EXIT(theText);

Juhl · 2019-05-06

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