Regular Expressions 101

Positive Lookbehind(?<=\"attributes\":)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

attributesthe literal text attributes (case sensitive)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

Group 1(\{(?:(?:[^{]*?\{(?:[^{]|\n)*?\}[^{]*?)+|(?:[^{]|\n)*?)})

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

Non-Capturing Group(?:(?:[^{]*?\{(?:[^{]|\n)*?\}[^{]*?)+|(?:[^{]|\n)*?)

1st Alternative(?:[^{]*?\{(?:[^{]|\n)*?\}[^{]*?)+

Non-Capturing Group(?:[^{]*?\{(?:[^{]|\n)*?\}[^{]*?)+

+repeats the group contents below at least once:

Negated Character Class[^{]*?

*?matches any number of characters outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

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

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

1st Alternative[^{]

Negated Character Class[^{]

{the literal { (123₁₀ / 173₈ / 7B₁₆)

2nd Alternative\n

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

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

Negated Character Class[^{]*?

*?matches any number of characters outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

2nd Alternative(?:[^{]|\n)*?

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

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

1st Alternative[^{]

Negated Character Class[^{]

{the literal { (123₁₀ / 173₈ / 7B₁₆)

2nd Alternative\n

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

}the literal } (125₁₀ / 175₈ / 7D₁₆)

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

(?<=\"attributes\":) (\{(?:(?:[^{]*?\{(?:[^{]|\n)*?\}[^{]*?)+|(?:[^{]|\n)*?)})

New

{"items_game": {
    "prefabs": {
        ...
        "coupon_crate_prefab": {
            "prefab": "weapon_case_base",
            "item_type": "coupon_crate",
            "attributes": {
                "cannot trade": "1"
            },
            "capabilities": {
                "can_delete": "0"
            },
            "attributes": {
                "expiration date": {
                    "attribute_class": "expiration_date",
                    "force_gc_to_generate": "1",
                    "use_custom_logic": "expiration_period_days_from_now",
                    "value": "2"
                }
            }
        }
        ...
    }
}

Regular Expression

Extraction