问将选定的内容从一张notepad++中复制到另一张

EN

^                   - start of line
(?:                 - start of a non-capturing group
    [^|\r\n]*       - zero or more characters that are not a | or newlines or carriage returns
    \|              - a |
){5}                - exactly 5 occurences of the previous group
             -- the efect of the above is to match the unwanted leading  characters
([^|\r\n]*)         - a group containing the characters to keep
             -- the wanted part of the line is saved in capture group 1
\|.*$               - a | then everything else to the end of the line
             -- matches the unwanted right-hand part of the line