Regular Expressions 101

Group 1(\my_folder\/\w+\.xml)

\mthe literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

y_folderthe literal text y_folder (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\w+any word character, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

xmlthe literal text xml (case sensitive)

Negative Lookahead(?![\s\S]*\1)

Character Class[\s\S]*

*matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

\1the text saved by group 1

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

(\my_folder\/\w+\.xml)(?![\s\S]*\1)

New

my_folder/foo.xml::someextracontent
my_folder/foo.xml::someextracontent
another_folder/foo.xml::someextracontent
my_folder/bar.xml::someextracontent
my_folder/bar.xml::someextracontent
my_folder/hello.xml::someextracontent