"pattern matching" meaning in English

{
  "head_templates": [
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      "args": {
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      "expansion": "pattern matching (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "kind": "other",
          "name": "English entries with incorrect language header",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computer science",
          "orig": "en:Computer science",
          "parents": [
            "Computing",
            "Sciences",
            "Technology",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "the act of checking some sequence of tokens for the presence of the constituents of a pattern"
      ],
      "id": "en-pattern_matching-en-noun-nlv42sik",
      "links": [
        [
          "computer science",
          "computer science"
        ],
        [
          "check",
          "check"
        ],
        [
          "sequence",
          "sequence"
        ],
        [
          "token",
          "token"
        ],
        [
          "constituent",
          "constituent"
        ]
      ],
      "raw_glosses": [
        "(computer science) the act of checking some sequence of tokens for the presence of the constituents of a pattern"
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "computer",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "science",
        "sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "computer science: act of checking tokens for patterns",
          "word": "hahmonsovitus"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "computer science: act of checking tokens for patterns",
          "word": "filtrage par motif"
        },
        {
          "code": "el",
          "lang": "Greek",
          "roman": "antiparavolí protýpon",
          "sense": "computer science: act of checking tokens for patterns",
          "tags": [
            "feminine"
          ],
          "word": "αντιπαραβολή προτύπων"
        },
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "computer science: act of checking tokens for patterns",
          "tags": [
            "feminine"
          ],
          "word": "mynsturmátun"
        }
      ],
      "wikipedia": [
        "pattern matching"
      ]
    }
  ],
  "word": "pattern matching"
}

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      "expansion": "pattern matching (uncountable)",
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  "lang_code": "en",
  "pos": "noun",
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        "Terms with Finnish translations",
        "Terms with French translations",
        "Terms with Greek translations",
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      ],
      "glosses": [
        "the act of checking some sequence of tokens for the presence of the constituents of a pattern"
      ],
      "links": [
        [
          "computer science",
          "computer science"
        ],
        [
          "check",
          "check"
        ],
        [
          "sequence",
          "sequence"
        ],
        [
          "token",
          "token"
        ],
        [
          "constituent",
          "constituent"
        ]
      ],
      "raw_glosses": [
        "(computer science) the act of checking some sequence of tokens for the presence of the constituents of a pattern"
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "computer",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "science",
        "sciences"
      ],
      "wikipedia": [
        "pattern matching"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "computer science: act of checking tokens for patterns",
      "word": "hahmonsovitus"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "computer science: act of checking tokens for patterns",
      "word": "filtrage par motif"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "antiparavolí protýpon",
      "sense": "computer science: act of checking tokens for patterns",
      "tags": [
        "feminine"
      ],
      "word": "αντιπαραβολή προτύπων"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "computer science: act of checking tokens for patterns",
      "tags": [
        "feminine"
      ],
      "word": "mynsturmátun"
    }
  ],
  "word": "pattern matching"
}