Regular Expressions 101

Explanation

Pro

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Group key(?P<key>[^\]\[\s]+)

Negated Character Class[^\]\[\s]+

+matches at least one character outside the set below:

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\sa Unicode whitespace character

Non-Capturing Group(?:\s+"(?P<value>[^"]+)")?

?repeats the group contents below at most once:

\s+a Unicode whitespace character, repeated at least once

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group value(?P<value>[^"]+)

Negated Character Class[^"]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

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

\[(?P<key>[^\]\[\s]+)(?:\s+"(?P<value>[^"]+)")?\]

New

lorem ipsum [severity "2"] [ver ""] [maturity "0"] [accuracy "0"] [tag "application-multi"] lorem ipsum

lorem ipsum [severity "2"] [ver ""] [maturity "0"] [accuracy "0"] [tag "application-multi"] lorem ipsum