Regular Expressions 101

Explanation

Pro

^start of line

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Group 1(([^ \[\]\t\r\n]+)( *([^ \[\]\t\r\n]+))*)

Group 2([^ \[\]\t\r\n]+)

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

+matches at least one character outside the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\ta tab character (ASCII 9)

\ra carriage return (ASCII 13)

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

Group 3( *([^ \[\]\t\r\n]+))*

*repeats the group contents below any number of times:

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

Group 4([^ \[\]\t\r\n]+)

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

+matches at least one character outside the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\ta tab character (ASCII 9)

\ra carriage return (ASCII 13)

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

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

$end of line

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

^\[(([^ \[\]\t\r\n]+)( *([^ \[\]\t\r\n]+))*)\]$

New

[bracketed text]
[more_bracketed_text]

not fully [bracketed]
[has a ] close bracket in middle]
[space after]