Regular Expressions 101

Pro

^start of line

Negative Lookahead(?!.*7474)

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

7474the literal text 7474

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

1221the literal text 1221

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.

25 tokens

^(?!.*7474).*1221

New

7777 1221 4543
7777 1221 7474 4543
7474 4543 7777 1221
4543 7474 7777 1221

7777 1221 4543
7777 1221 7474 4543
7474 4543 7777 1221
4543 7474 7777 1221