Regular Expressions 101

Explanation
Pro

^start of line

\d+a digit, repeated at least once

$end of line

\R*a newline sequence, repeated any number of times

Global pattern flags

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

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

Detailed match information will be displayed here automatically.

25 tokens

^\d+$\R*

New

code code code
7362
code code code
code code code
code code code
63
code code code
...

code code code
7362
code code code
code code code
code code code
63
code code code
...