Regular Expressions 101

@@the literal text @@

\sany whitespace character

Group 1([-\+]?\d+,[-\+]?\d+)

Character Class[-\+]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

\d+a digit, repeated at least once

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Character Class[-\+]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

\d+a digit, repeated at least once

\sany whitespace character

Group 2([-\+]?\d+,[-\+]?\d+)

Character Class[-\+]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

\d+a digit, repeated at least once

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Character Class[-\+]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

\d+a digit, repeated at least once

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

@@\s([-\+]?\d+,[-\+]?\d+)\s([-\+]?\d+,[-\+]?\d+)

New

@@ -74,-6 +73,-7 @@ 
    <dependency> <groupId>com.jolbox</groupId> 
    <artifactId>bonecp-test
    - commons</artifactId> 
    + <classifier>${project.classifier}</classifier>     
    <scope>test</scope>