Regular Expressions 101

Pro

Non-Capturing Group(?:\G(?!^)|\[(?=[^][\r\n]*\]))

1st Alternative\G(?!^)

\Gstart of current search

Negative Lookahead(?!^)

^start of line

2nd Alternative\[(?=[^][\r\n]*\])

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Positive Lookahead(?=[^][\r\n]*\])

Negated Character Class[^][\r\n]*

*matches any number of characters outside the set below:

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

Negated Character Class[^\S\r\n]*

*matches any number of characters outside the set below:

\Sany non-whitespace character

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

Group 1(.*?)

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

@the literal text @

Group 2(.*?)

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

, the literal text ,

Group 3([^][,\r\n]*)

Negated Character Class[^][,\r\n]*

*matches any number of characters outside the set below:

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

Character Class[\];]

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

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.

25 tokens

(?:\G(?!^)|\[(?=[^][\r\n]*\]))[^\S\r\n]*(.*?) @(.*?), ([^][,\r\n]*)[\];]

New

[prenote @autorkey, postnote]
[prenote1 @authorekey1, postnote1; prenote2 @authorkey2, postnote2]

[prenote @autorkey, postnote]
[prenote1 @authorekey1, postnote1; prenote2 @authorkey2, postnote2]