# If you'd like to omit non-matching lines from the result; add ';d' to the end of the expression.
sed -E 's/,([^,]*)$/;$1/gm;t' <<< "http://stackoverflow.com/questions/3829483/how-to-replace-last-occurrence-of-characters-in-a-string-using-javascript
DailyStats,jlaer;priatil;uido,DailyStatsAdm
AuditEvents,aorl;atil;le;mran;uido,AuditEventsAdm
"
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for SED, please visit: https://www.gnu.org/software/sed/manual/html_node/The-_0022s_0022-Command.html