regex101: PCRE (Legacy) Match Workspace

Non-Capturing Group(?:"arrayKey1": (?<arrayKey1>[^"]+),[\n\t ]+"arrayKey2": "(?<arrayKey2>[^"]+)",[\n\t ]+"arrayKey3": "(?<arrayKey3>[^"]+)")

"arrayKey1": the literal text "arrayKey1": (case sensitive)

Group arrayKey1(?<arrayKey1>[^"]+)

Negated Character Class[^"]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Character Class[\n\t ]+

+matches at least one character from the set below:

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

\ta tab character (ASCII 9)

the literal (32₁₀ / 40₈ / 20₁₆)

"arrayKey2": "the literal text "arrayKey2": " (case sensitive)

Group arrayKey2(?<arrayKey2>[^"]+)

Negated Character Class[^"]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

",the literal text ",

Character Class[\n\t ]+

+matches at least one character from the set below:

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

\ta tab character (ASCII 9)

the literal (32₁₀ / 40₈ / 20₁₆)

"arrayKey3": "the literal text "arrayKey3": " (case sensitive)

Group arrayKey3(?<arrayKey3>[^"]+)

Negated Character Class[^"]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

Non-Capturing Group(?:[\s\S]*)

Character Class[\s\S]*

*matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

Non-Capturing Group(?:"anotherKey": "(?<anotherKey>[^"]+)")

"anotherKey": "the literal text "anotherKey": " (case sensitive)

Group anotherKey(?<anotherKey>[^"]+)

Negated Character Class[^"]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

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

25 tokens

Regular Expression

(?:"arrayKey1": (?<arrayKey1>[^"]+),[\n\t ]+"arrayKey2": "(?<arrayKey2>[^"]+)",[\n\t ]+"arrayKey3": "(?<arrayKey3>[^"]+)")(?:[\s\S]*)(?:"anotherKey": "(?<anotherKey>[^"]+)")

New

{
  "key1": "value1",
  "key2": "value2",
  "key3": "value3",
  "key4": [
    {
      "arrayKey1": 1,
      "arrayKey2": "something",
      "arrayKey3": "somethingelse"
    },
   {
      "arrayKey1": 2,
      "arrayKey2": "something2",
      "arrayKey3": "somethingelse2"
    },
   {
      "arrayKey1": 3,
      "arrayKey2": "something3",
      "arrayKey3": "somethingelse3"
    }
  ],
  "some very long text here": ""
  "anotherKey": "value",
  "keylast": "valuelast"
}

Extraction

{
  "key1": "value1",
  "key2": "value2",
  "key3": "value3",
  "key4": [
    {
      "arrayKey1": 1,
      "arrayKey2": "something",
      "arrayKey3": "somethingelse"
    },
   {
      "arrayKey1": 2,
      "arrayKey2": "something2",
      "arrayKey3": "somethingelse2"
    },
   {
      "arrayKey1": 3,
      "arrayKey2": "something3",
      "arrayKey3": "somethingelse3"
    }
  ],
  "some very long text here": ""
  "anotherKey": "value",
  "keylast": "valuelast"
}