I Want extract value from json response using Regular Expression Extractor

Question

In Jmeter, run one API and get the below response. I want to extract File_Name & ReqId value from the below response using Regular Expression Extractor using only one "Regular Expression Extractor" . and pass these two values to another API, so how do that?

{"FileCode":["Aadhar"],"File_Name":"271954143_1_1.jpg","Aadhar_Features":[{"Confidence":"79.46","File_Code":"UIA","Count":1},{"Confidence":"87.87","File_Code":"GOI","Count":1},{"Confidence":"88.25","File_Code":"Aadhar_Slogan","Count":1},{"Confidence":"92.36","File_Code":"SatyamevaJayateLogo","Count":1},{"Confidence":"92.99","File_Code":"AadharLogo","Count":1},{"Confidence":"97.01","File_Code":"Aadhar","Count":2}],"ReqId":"REQ_1639032634869","Classes":[{"Confidence":[96.21741771697998,98.64940047264099],"Coordinates":["383,269,110.0,27","375,882,105.33333333333333,28"],"Count":2,"Name":"AadharNo"}]}

Dmitri T · Accepted Answer · 2021-12-09 09:56:48Z

1

Here some wise man suggested using JSON JMESPath Extractor as it's faster, easier and more reliable.

If despite this you prefer using Regular Expression Extractor - here is the regular expression for the File_Name:

"File_Name"\s*:\s*"(.+?)"

and here is the one for the ReqId

Example Regular Expression Extractor configuration:

Example JMeter Variable usage:

More information:

answered Dec 9, 2021 at 9:56

Dmitri T

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