Regular Expressions 101

Group 1(\bnumbers\b|(?!^)\G)

1st Alternative\bnumbers\b

\ban ASCII word boundary

numbersthe literal text numbers (case sensitive)

\ban ASCII word boundary

2nd Alternative(?!^)\G

Negative Lookahead(?!^)

^start of line

\Gstart of current search

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

\ban ASCII word boundary

Group 2(\d{3})

\d{3}a digit, repeated exactly 3 times

\ban ASCII word boundary

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

Regular Expression

(\bnumbers\b|(?!^)\G).*?\b(\d{3})\b

New

The numbers are 144, 424, and 345. Not 45.
The numbers we are looking for: 234 & 992
Some examples: 234, 244 and 12