egrep

Extended grep

low risk

interactive breakdown — edit the command and press Explain
$ 
What it does

Equivalent to grep -E; deprecated spelling in favour of grep -E.

Examples
egrep "error|fail" logMatch either word · explain & risk-check →
Related
grep
Open the full explainer →More in Text Processing

Reference text is hand-written and may be incomplete — check man egrep for your version. Test destructive commands on a non-production system first.