Is there simple option to search in all existing filters in Jira if I am using some field / value , for example : specific scrum team name ? (can be use for case team changed its name and now I wants to modify all filters which search for items on this specific tema)
No, there's no such option in interface, as far as i remember.
I usually use SQL to check if any field or group is used in filters. You can start from here - https://confluence.atlassian.com/jirakb/how-to-identify-group-usage-in-jira-441221524.html
...It's true that there are projects in Jira; but they are merely a way to cut off issues, to tell them apart from other sections of work and to apply rules that are specific to that team (the schemes)....
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