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v4.5
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    v4.5

      Correspondance Régulière

      • Expression : <string> =~ "<regexp>"
      • Operande gauche : string
      • Operande droite : expression régulière

      Constante

      Exemple : Vérifier si la chaîne de caractères "adfAWa" est composée de lettres non capitalisées

      return "Ultipa" =~ "^[a-z]+$"
      

      0
      

      Fonction

      Exemple : Convertir 'Graph Database' en minuscules et vérifier si elle est composée de lettres non capitalisées

      return lower("Ultipa.com") =~ "^[a-z]+$"
      

      0
      

      Alias

      Exemple : Vérifier chaque ligne d'un alias si elle est composée de lettres non capitalisées

      uncollect ["Ultipa.com", "grAph", "graph"] as a
      return a =~ "^[a-z]+$"
      

      0
      0
      1
      

      Graph d'exemple : (à utiliser pour les exemples suivants)

      Exécutez les UQLs ci-dessous un par un dans un graphset vide pour créer des données de graph :

      create().node_schema("professor").node_schema("student")
      create().node_property(@*, "age", int32).node_property(@*, "email", string)
      insert().into(@professor).nodes([{_id:"P001",_uuid:1,age:53,email:"[email protected]"},{_id:"P002",_uuid:2,age:27,email:"[email protected]"}])
      insert().into(@student).nodes([{_id:"S001",_uuid:3,age:27,email:"[email protected]"},{_id:"S002",_uuid:4,age:20,email:"[email protected]"},{_id:"S003",_uuid:5,age:25,email:"[email protected]"}])
      

      Propriété

      Exemple : Trouver les nodes dont l'e-mail est au format [email protected] ou [email protected]

      find().nodes({email =~ "^[a-zA-Z0-9_.-]+@[a-zA-Z0-9]+\.(com|cn)$"}) as n
      return n{*} 
      

      |--------------- @professor --------------|
      |  _id  | _uuid |  age  |       email     |
      |-------|-------|-------|-----------------|
      | P001  |   1   |  53   | [email protected]   |
      | P002  |   2   |  27   | [email protected] |
      
      |---------------- @student ---------------|
      |  _id  | _uuid |  age  |       email     |
      |-------|-------|-------|-----------------|
      | S003  |   5   |  25   | [email protected]  |
      

      Exemple : Trouver les nodes de @professor, dont l'e-mail est au format [email protected] ou [email protected]

      find().nodes({@professor.email =~ "^[a-zA-Z0-9_.-]+@[a-zA-Z0-9]+\.(com|cn)$"}) as n
      return n{*} 
      

      |--------------- @professor --------------|
      |  _id  | _uuid |  age  |       email     |
      |-------|-------|-------|-----------------|
      | P001  |   1   |  53   | [email protected]   |
      | P002  |   2   |  27   | [email protected] |
      
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