Regular Expressions 101

Group 1(<[^>]*)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

Negated Character Class[^>]*

*matches any number of characters outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group 2(USERNAME)

USERNAMEthe literal text USERNAME (case sensitive)

Group 3([^>]*>)

Negated Character Class[^>]*

*matches any number of characters outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(<[^>]*)(USERNAME)([^>]*>)

New

foo bar baz <!-- USERNAME --> <!-- ACCESS_KEY --> baz bar foo

<!--:USERNAME-->

<!-- eueuteh -->

 -DarchetypeVersion=<!-- java-version --> -UserName=<!-- :USERNAME --> -DsauceAccessKey=<!-- ACCESS_KEY -->

Regular Expression

Extraction