Regular Expressions 101

^start of line

Group 1(.*?)

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

Group 2([\s:]+)?

?repeats the group contents below at most once:

Character Class[\s:]+

+matches at least one character from the set below:

\sany whitespace character

:the literal : (58₁₀ / 72₈ / 3A₁₆)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

Group 3([\s\S].*)?

?repeats the group contents below at most once:

Character Class[\s\S]

\sany whitespace character

\Sany non-whitespace character

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

.any character (except for line terminators)

$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.

Search reference

Regular Expression

^(.*?)([\s:]+)?{([\s\S].*)?.$

New

key:{value}
key:{valu{0}e}
key:{valu
{0}e}
key:   {val-u{0}e}
key:  {val__[!]
-u{0}{1}e}

$1,$3