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Editorial Team
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Asked: 2026-06-13T23:59:03+00:00

I am new to jmeter ; I hope that I can describe my problem

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I am new to ; I hope that I can describe my problem to you well enough.

I am trying to use regex to extract an ItemID attribute from an xml element. Which I then use in another request. This is the XML response I am trying to extract the ItemID from:

<?xml version="1.0" encoding="UTF-8"?>
<Promise >
 <SuggestedOption>
      <Option TotalShipments="1">
           <PromiseLines TotalNumberOfRecords="1">
                <PromiseLine ItemID="Col_001" >
                     <Assignments>
                          <Assignment InteractionNo="1" >
                          </Assignment>
                     </Assignments>
                </PromiseLine>
           </PromiseLines>
     </Option>
 </SuggestedOption>
</Promise>

I have the Regular Expression Extractor set up as follows:

Reference Name: item
Regular Expression: .?ItemID=(.+?)*
Template: $1$
Match No.: 1

In the 2nd request I have set the ItemID as follows … ItemID=${item} …

I know that When I use the Default Value set to “Col_001” it works fine. So there is obviously a problem with my Expression.

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1 Answer

  1. Editorial Team

    Try this expression:

    \bItemID\s*=\s*"([^"]*)"

    Explanation

    NODE                     EXPLANATION
--------------------------------------------------------------------------------
  \b                       the boundary between a word char (\w) and
                           something that is not a word char
--------------------------------------------------------------------------------
  ItemID                   'ItemID'
--------------------------------------------------------------------------------
  \s*                      whitespace (\n, \r, \t, \f, and " ") (0 or
                           more times (matching the most amount
                           possible))
--------------------------------------------------------------------------------
  =                        '='
--------------------------------------------------------------------------------
  \s*                      whitespace (\n, \r, \t, \f, and " ") (0 or
                           more times (matching the most amount
                           possible))
--------------------------------------------------------------------------------
  "                        '"'
--------------------------------------------------------------------------------
  (                        group and capture to \1:
--------------------------------------------------------------------------------
    [^"]*                    any character except: '"' (0 or more
                             times (matching the most amount
                             possible))
--------------------------------------------------------------------------------
  )                        end of \1
--------------------------------------------------------------------------------
  "                        '"'
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