Regular Expressions 101

Negative Lookahead(?!.*\bignore\b)

.*any character (except for line terminators), repeated any number of times

\ban ASCII word boundary

ignorethe literal text ignore (case sensitive)

\ban ASCII word boundary

.*any character (except for line terminators), repeated any number of times

\ban ASCII word boundary

app prodthe literal text app prod (case sensitive)

\ban ASCII word boundary

.*any character (except for line terminators), repeated any number of times

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?!.*\bignore\b).*\bapp prod\b.*

New

1. blah app prod blah blah
2. blah app prod blah ignore
3. blah app staging blah blah
4. blah app staging blah ignore
5. blah app prod blah blah blah ignore blah blah
6. blah blah