Regular Expressions 101

^start of line

Group 1(<!--.*\R)

<!--the literal text <!--

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

\Ra newline sequence

Group 2(\s+<Connector[^>]+>)

\s+any whitespace character, repeated at least once

<Connectorthe literal text <Connector (case sensitive)

Negated Character Class[^>]+

+matches at least one character outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group 3(.*\R-->.*)

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

\Ra newline sequence

-->the literal text -->

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

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

^(<!--.*\R)(\s+<Connector[^>]+>)(.*\R-->.*)

New

something else here

<!--
    <Connector port="8443" protocol="org.apache.coyote.http11.Http11NioProtocol"
               maxThreads="150" SSLEnabled="true" scheme="https" secure="true"
               clientAuth="false" sslProtocol="TLS" />
-->

and here as well

Regular Expression

Extraction