Jmeter Regex http response

Question

I am trying to "catch" a value from a json response using regex.

The response:

{"Result":0,"ResponseStatus":{"ErrorCode":null,"Message":null,"StackTrace":null,"Errors":null},"SessionId":"5a004b3b-f610-4a4e-9a0c-9953cee9bd47","ResponseHeader":{"Succeeded":true,"Errors":[]}}

I have created a HTTP request and added a child "JSON PATH EXTRACTOR" with the following data:

Destination Variable Name: SessionId_Regex

JsonPath Expression: "SessionId":"(.{8}-.{4}-.{4}-.{4}-.{12})"

The question is: how do i use the variable of the regex in a 2nd HTTP request

Thanks :)

Did you want to get the value of SessionId ? why don't your use json parser — Ashraful Islam
– Ashraful Islam, Commented Mar 14, 2016 at 16:04
I also tried it, i dont understand where i put the variable regex name in the 2nd http request — abovebeyond15
– abovebeyond15, Commented Mar 14, 2016 at 16:12
Did you want to get the value of SessionId using this (.{8}-.{4}-.{4}-.{4}-.{12}) ? — Ashraful Islam
– Ashraful Islam, Commented Mar 14, 2016 at 16:30
Use a JSON parser instead! If you insist, try this regex: "SessionId":"([^"]+)" — Jan
– Jan, Commented Mar 14, 2016 at 18:40

Dmitri T · Accepted Answer · 2016-03-14 16:32:20Z

1

JSON Path has nothing in common with Regular Expressions, you won't extract the value using above expression.

Change it to: $..SessionId[0]

You can refer extracted value directly as ${SessionId_Regex} or using __V() function like ${__V(SessionId_Regex)} where required

References:

JSONPath - XPath for JSON
Using the XPath Extractor in JMeter (scroll down to Parsing JSON)

answered Mar 14, 2016 at 16:32

Dmitri T

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