Regular Expressions 101

1st Alternative(?<=\[)[^[\]\n]+(?=])

Positive Lookbehind(?<=\[)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

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

+matches at least one character outside the set below:

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

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

Positive Lookahead(?=])

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

2nd Alternative(?<=^|:)[^[\]:\n]+

Positive Lookbehind(?<=^|:)

1st Alternative^

^start of line

2nd Alternative:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Negated Character Class[^[\]:\n]+

+matches at least one character outside the set below:

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

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.

26 tokens

Regular Expression

(?<=\[)[^[\]\n]+(?=])|(?<=^|:)[^[\]:\n]+

New

lg:[:after]:hover:color-blue
[:after]:hover:color-blue
hover:color-blue
lg:hover:color-blue