{"id":6661,"date":"2025-07-15T13:34:48","date_gmt":"2025-07-15T13:34:48","guid":{"rendered":"https:\/\/functiontranslator.com\/stxt-stxtb\/"},"modified":"2021-02-26T08:10:19","modified_gmt":"2021-02-26T08:10:19","slug":"mid-midbs","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/fr\/mid-midbs\/","title":{"rendered":"STXT, STXTB"},"content":{"rendered":"

Pr\u00e9sentation des fonctions de manipulation de cha\u00eenes de caract\u00e8res<\/h2>\n

Les fonctions MID (STXT) et MIDB (STXTB) dans Excel et Google Sheets sont utilis\u00e9es pour extraire une sous-cha\u00eene \u00e0 partir d’une cha\u00eene de texte principale.<\/p>\n

Syntaxe et exemples<\/h2>\n

MID \/ STXT :<\/strong>
La syntaxe de la fonction MID \/ STXT est la suivante : <\/p>\n

STXT(texte, position_de_depart, nombre_de_caract\u00e8res)<\/code><\/pre>\n
    \n
  • texte<\/strong> : La cha\u00eene de caract\u00e8res d’o\u00f9 extraire la sous-cha\u00eene.<\/li>\n
  • position_de_depart<\/strong> : La position du premier caract\u00e8re dans la cha\u00eene de caract\u00e8res \u00e0 extraire.<\/li>\n
  • nombre_de_caract\u00e8res<\/strong> : Le nombre de caract\u00e8res \u00e0 extraire \u00e0 partir de la position de d\u00e9part.<\/li>\n<\/ul>\n
     Exemple:<\/strong> <\/p>\n
    =STXT(\"Bonjour le monde\", 9, 2)<\/code><\/pre>\n
    Cette formule retourne \u00ab\u00a0le\u00a0\u00bb, car elle commence \u00e0 la 9\u00e8me position du texte et extrait 2 caract\u00e8res.<\/p>\n<\/p>\n
     MIDB \/ STXTB :<\/strong>
     Cette variation de la fonction MID \/ STXT est utile lorsque vous travaillez avec des textes contenant des caract\u00e8res en double octet (g\u00e9n\u00e9ralement des langues asiatiques).
     Syntaxe: <\/p>\n
    STXTB(texte, position_de_depart_octet, nombre_d_octets)<\/code><\/pre>\n
      \n
    • position_de_depart_octet<\/strong> : La position du premier octet dans la cha\u00eene de caract\u00e8res \u00e0 extraire.<\/li>\n
    • nombre_d_octets<\/strong> : Le nombre d’octets \u00e0 extraire \u00e0 partir de la position de d\u00e9part.<\/li>\n<\/ul>\n
       Exemple :<\/strong> <\/p>\n
      =STXTB(\"\u30a2\u30d6\u30e9\u30ab\u30c0\u30d6\u30e9\", 3, 6)<\/code><\/pre>\n
      Cette formule pourrait retourner \u00ab\u00a0\u30d6\u30e9\u30ab\u00a0\u00bb, en supposant que chaque caract\u00e8re japonais prend 2 octets.<\/p>\n<\/p>\n
      Applications pratiques des fonctions<\/h2>\n
       Ces fonctions de manipulation de texte sont utiles dans de nombreux contextes diff\u00e9rents. Voici deux exemples pratiques : <\/p>\n
        \n
      •  Extraction d’informations sp\u00e9cifiques dans une cha\u00eene de caract\u00e8res :<\/strong> Supposons que vous avez une liste de codes produits dans le format suivant: \u00ab\u00a0PROD-1234-XYZ\u00a0\u00bb. Pour extraire uniquement le segment num\u00e9rique central:\n
        =STXT(A1, 6, 4)<\/code><\/pre>\n
        Ceci extrait \u00ab\u00a01234\u00a0\u00bb \u00e0 partir de la cellule A1.<\/p>\n<\/li>\n
      •  Nettoyage des donn\u00e9es de texte :<\/strong> Imaginons que vous r\u00e9cup\u00e9rez des donn\u00e9es d’une source externe et les donn\u00e9es arrivent avec des pr\u00e9fixes ou suffixes inutiles, comme \u00ab\u00a0[DATA]Nom\u00a0\u00bb. Pour nettoyer ces donn\u00e9es:\n
        =STXT(A2, 7, LONGUEUR(A2)-6)<\/code><\/pre>\n
        Cette formule enl\u00e8ve les six premiers caract\u00e8res avant de commencer \u00e0 extraire, adaptant la longueur dynamiquement en supposant que le pr\u00e9fixe a une longueur constante.<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
        Renvoie un nombRe d\u00e9teRmin\u00e9 de caRact\u00e8Res d\u2019une cha\u00eene de texte \u00e0 paRtiR de la position que vous indiquez<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[314],"tags":[],"class_list":["post-6661","post","type-post","status-publish","format-standard","hentry","category-texte"],"acf":[],"yoast_head":"\nFonction MID, MIDBs (STXT, STXTB) dans Excel : comment \u00e7a marche, exemples et syntaxe<\/title>\n<meta name=\"description\" content=\"Pr\u00e9sentation de la fonction MID, MIDBs (STXT, STXTB) d\u2019Excel et Google Sheets. 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