Regular Expressions 101

^start of line

Group 1(\w+ \w+$(?:(.|\n)*)$)

\w+a Unicode word character, repeated at least once

the literal (32₁₀ / 40₈ / 20₁₆)

\w+a Unicode word character, repeated at least once

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Non-Capturing Group(?:(.|\n)*)

Group 2(.|\n)*

*repeats the group contents below any number of times:

1st Alternative.

.any Unicode character (except for line terminators)

2nd Alternative\n

\na line-feed (newline) character (ASCII 10)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\s*a Unicode whitespace character, repeated any number of times

^start of line

paragraph_bthe literal text paragraph_b (case sensitive)

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

^(\w+ \w+\((?:(.|\n)*)\))\s*^paragraph_b

New

some random texts (100+ lines)

...

paragraph_a A_story(    
...
some random texts
...
)

paragraph_b different_story(
...
some random texts
...
)