Regular Expressions 101

Explanation

Pro

Non-Capturing Group(?:^[\s\S]*?|\G[^\r\n]*?)

1st Alternative^[\s\S]*?

^start of string

Character Class[\s\S]*?

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

\sany whitespace character

\Sany non-whitespace character

2nd Alternative\G[^\r\n]*?

\Gstart of current search

Negated Character Class[^\r\n]*?

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

\ra carriage return (ASCII 13)

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

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

text2the literal text text2 (case sensitive)

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

(?:^[\s\S]*?|\G[^\r\n]*?)\Ktext2

New

text3 text3 text3 text3 text3 text3

text1 text2 text1 text2 text1 text2

text1 text2 text1 text2 text1 text2

text1 text2 text1 text2 text1 text2

text3 text3 text3 text3 text3 text3

text1 text2 text1 text2 text1 text2

text1 text2 text1 text2 text1 text2

text1 text2 text1 text2 text1 text2