How to refer to matched groups in jq gsub?

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regular-expression jq pattern-matching pcre

                          Using jq, I want to search for a pattern via regex, and wrap the **matched** string with something like  tags  
$ echo "\"This is a valid json file"\" | jq '. | gsub("valid";"how_to_refer_to_matches";"i") -

How to refer to the matched results in the second argument of gsub?  
What if there are more than 1 matches?
                        

Asked by Zeta.Investigator (1190 rep)

Jul 9, 2021, 06:46 PM
Last activity: Jul 9, 2021, 07:50 PM

How to refer to matched groups in jq gsub?

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