在清除字符串里的非字母数字字符且需要留下&用于拆分时可用

matches parts of an email address and captures elements into groups

basic grammar rules

Take a text of curl command and regex them down to a list of objects with named identifiers, such as id, date, and action.

Useful for checking comma separated full names

Christ Elektronic -> long version

Full mime type tree

Extraction of ID fails in Splunk search window, as an illustration to case 2124568 (https://splunkcommunities.force.com/customers/5005a00001j1gHcAAI)