Regular Expressions 101

<result1>the literal text <result1> (case insensitive)

Group 1(.*?)

.*?any character, repeated any number of times

<result1>the literal text <result1> (case insensitive)

Non-Capturing Group(?:(?:.(?!<result1>))*?<result>(.*?)<result>)?

?repeats the group contents below at most once:

Non-Capturing Group(?:.(?!<result1>))*?

*?repeats the group contents below any number of times:

.any character

Negative Lookahead(?!<result1>)

<result1>the literal text <result1> (case insensitive)

<result>the literal text <result> (case insensitive)

Group 2(.*?)

.*?any character, repeated any number of times

<result>the literal text <result> (case insensitive)

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

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

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

<result1>(.*?)<result1>(?:(?:.(?!<result1>))*?<result>(.*?)<result>)?

New

dsgssgdfgdsfg <result1>A1<result1>
anythingiwith<>and"234and
newlinesandsoon
<result>B1<result>
againanything
dsgssgdfgdsfg <result1>A2<result1>
anythingiwith<>and"234and
newlinesandsoon

againanything
dsgssgdfgdsfg <result1>A3<result1>
anythingiwith<>and"234and
newlinesandsoon
<result>B3<result>
againanything

Regular Expression

Extraction