"luckily enough" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions adverbiales en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de luckily et de enough."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "adv",
  "pos_title": "Locution adverbiale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en anglais à traduire",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Félix López, Víctor Romero, Mastering Python Regular Expressions, Packt Publishing, 2014, page 12",
          "text": "Luckily enough, there are a number of predefined character classes that can be re-used and will be already known by other developers, making the expressions using them more readable."
        }
      ],
      "glosses": [
        "Heureusement, par chance."
      ],
      "id": "fr-luckily_enough-en-adv-g~o4reBk"
    }
  ],
  "synonyms": [
    {
      "word": "fortunately"
    },
    {
      "word": "luckily"
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "luckily enough"
}

{
  "categories": [
    "Compositions en anglais",
    "Locutions adverbiales en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "Composé de luckily et de enough."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "adv",
  "pos_title": "Locution adverbiale",
  "senses": [
    {
      "categories": [
        "Exemples en anglais",
        "Exemples en anglais à traduire"
      ],
      "examples": [
        {
          "ref": "Félix López, Víctor Romero, Mastering Python Regular Expressions, Packt Publishing, 2014, page 12",
          "text": "Luckily enough, there are a number of predefined character classes that can be re-used and will be already known by other developers, making the expressions using them more readable."
        }
      ],
      "glosses": [
        "Heureusement, par chance."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "fortunately"
    },
    {
      "word": "luckily"
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "luckily enough"
}