variables - How to access regex groups using For Each Controller in JMeter -

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is possible access different groups using output variable of foreach controller?

for instance i'm using regular expression extractor extracts 2 elements , both of them have 2 groups.

using debug sampler i'm seeing values extracted correctly:

treenodes_1_g1=id1 treenodes_1_g2=first title treenodes_2_g1=id2 treenodes_2_g2=second title

next i'm iterating results using foreach controller with: 

input variable: treenodes output variable name: node add "_" before number: checked

and use ${node_${c}_g2} titles in name field in view results tree , ${node_${c}_g1} in other place, ${c} counter variable according http://jmeter.apache.org/usermanual/component_reference.html#foreach_controller.

values not resolved instance see ${node_${c}_g2} ${node_${c}_g2} text instead of first title.

what missing here?

in order evaluate multiple variables need use __v function.

jmeter _v() function

${__v(node_${c})}  ${__v(node_${c}_g2)}

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