Linux›Text Processing›grep -E
←grep -r

grep -EText Processing

sed→

Search using extended regular expressions.

Syntax

grep -E REGEX FILE

Example

Enter values below to update the example in real time.

grep→
file→
txt→
app→
# 이메일 패턴 매칭
grep -E '[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,}' file.txt

# 여러 패턴 OR
grep -E 'error|warning|critical' app.log