Regular Expressions 101

Positive Lookbehind(?<=Keyword1:)

Keyword1:the literal text Keyword1: (case sensitive)

Group 1(.*)

.*any character (except for line terminators), repeated any number of times

Positive Lookahead(?=Keyword2)

Keyword2the literal text Keyword2 (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.

Search reference

Regular Expression

(?<=Keyword1:)(.*)(?=Keyword2)

New

"Keyword1: That text I want \r\n Keyword2: Value2 \r\n Keyword3: Value3 \r\n Keyword4: Value4"
"Keyword1: That text I want Keyword2: Value2 \r\n Keyword3: Value3 \r\n Keyword4: Value4"

Regular Expression

Substitution