How to make an substr and instr combination in javascrip

Dear all,
I need to extract some information in a javascript function.
In sql we can do like this substr(:P1_ITEM, 1, instr(:P1_ITEM,'.',1,4)-1)
f.e.
01.02.03.04.05 --> 01.02.03.04
001.002.003.004.005 --> 001.002.003.004
How I can do it in javascript.
Thanks in Advance
lukx

Hi lukx,
You can use the following javascript function:
function processText(pString, pSearchString, pOccurrenceNum)
var j = 0;
for(var i = 0; i < pOccurrenceNum; i++)
j = pString.indexOf(pSearchString,j) + 1;
j = j - 1;
return pString.substr(0,j);
}To process, for example, the second example you showed, you would have to do the following call:
processText("001.002.003.004.005", ".", 4)Maybe this is not the best solution but as I've seen in the javascript API that indexOf and lastIndexOf are only for the first and last occurrence, that's why I included the for loop. Hope this helps.
Regards,
Sergio

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Try this - may not be the best way but...:
create or replace type myTableType as table of varchar2(255)
declare
v_array mytabletype;
v_new_str varchar2(4000);
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=======
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973907 wrote:
... But also when i used
SELECT SUBSTR('VMTOPIC=MCCODE', INSTR('VMTOPIC=MCODE', 'HHH')+8,20) AS output FROM DUAL;show same results, what i need only if words begin with " VMTOPIC= " retrived characters after "VMTOPIC=".That's because 'HHH' wasn't found, and so INSTR returned 0. SUBSTR treats 0 like 1 in its 2nd argument, so, using that expresssion, not fnding the string is te same as finding it at position 1.
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How to make an substr and instr combination in javascrip

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