Regular Expressions 101

1st Alternative(?:^>PATTERN)

Non-Capturing Group(?:^>PATTERN)

^start of line

>PATTERNthe literal text >PATTERN (case sensitive)

2nd Alternative(?:^>[\s\S]*?)(?=\v?^>|\z)

Non-Capturing Group(?:^>[\s\S]*?)

^start of line

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Character Class[\s\S]*?

*?matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

Positive Lookahead(?=\v?^>|\z)

1st Alternative\v?^>

\v?optionally matches any vertical whitespace character

^start of line

>the literal > (62₁₀ / 76₈ / 3E₁₆)

2nd Alternative\z

\zend of string

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

(?:^>PATTERN)|(?:^>[\s\S]*?)(?=\v?^>|\z)

New

>PATTERN
1 
2
3

>PATTERN
a
b
c

>PATTERN
1 
2
3

>PATTERN
a
b
c

>asdf
1
2
3

>asdf
a
b
c

>PATTERN
1 
2
3

>PATTERN
a
b
c

>PATTERN
1 
2
3

>PATTERN
a
b
c

>asdf
1
2
3

>asdf
a
b
c