Regular Expressions 101

Pro

\Astart of string

---the literal text ---

\Ra newline sequence

Group 1(.+?\R)?

?repeats the group contents below at most once:

.+?any character, repeated at least once

\Ra newline sequence

---the literal text ---

\Ra newline sequence

Group 2(.*)

.*any character, repeated any number of times

\Zend of string, or before its final line terminator

Global pattern flags

s modifier: single line. Allows a dot to match line terminators

Detailed match information will be displayed here automatically.

25 tokens

\A---\R(.+?\R)?---\R(.*)\Z

New

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