Split list items according to regular expression

The online calculator below splits list of strings using regular expression. Each string is tested for a match, if match is found, it becomes the group key, and string is assigned to this group. Thus you are sorting out the list to groups.

To illustrate how it works I used list of emails as default value for the list. Emails come from different domains, so this calculator splits the list by email domain. Regular expression matches email starting from @ symbol, and matched value in the form of @domain.name is used to group emails. Domain names are sorted alphabetically, then calculator lists all emails matching the same domain name in separate group for each domain.

Split list items according to regular expression

john@example.com john@example.net john@example.org mary@example.com mary@example.net mary@example.org alice@example.com alice@example.net alice@example.org

List

Regular expression

Flags

Show matched value before each group

Calculate

Groups

 

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