Regular Expressions 101

Group 1((?:\[|:|,)\s*)

Non-Capturing Group(?:\[|:|,)

1st Alternative\[

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

2nd Alternative:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

3rd Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\s*any whitespace character, repeated any number of times

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Group 2((?:\\'|[^'])*?[^\\])?

?repeats the group contents below at most once:

Non-Capturing Group(?:\\'|[^'])*?

*?repeats the group contents below any number of times:

1st Alternative\\'

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

2nd Alternative[^']

Negated Character Class[^']

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Negated Character Class[^\\]

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Positive Lookahead(?=\s*(?:\]|}|,))

\s*any whitespace character, repeated any number of times

Non-Capturing Group(?:\]|}|,)

1st Alternative\]

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

2nd Alternative}

}the literal } (125₁₀ / 175₈ / 7D₁₆)

3rd Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

26 tokens

Regular Expression

((?:\[|:|,)\s*)'((?:\\'|[^'])*?[^\\])?'(?=\s*(?:\]|}|,))

New

{
  aa:'a \'a ab',test:"ab",foo:"bar",
  intervak:1,
  array:['test',"t\"est",'tet\'s'],
  'test':"test te't test"
}

$1"$2"