{"id":1765,"date":"2023-11-06T00:52:32","date_gmt":"2023-11-06T00:52:32","guid":{"rendered":"https:\/\/exceladvisor.org\/it\/estrarre-solo-numeri\/"},"modified":"2023-12-10T06:27:38","modified_gmt":"2023-12-10T06:27:38","slug":"estrarre-solo-numeri","status":"publish","type":"page","link":"https:\/\/exceladvisor.org\/it\/estrarre-solo-numeri\/","title":{"rendered":"Estrai solo numeri dal testo (stringa)"},"content":{"rendered":"<div class=\"excel-prima-del-contenuto\" id=\"excel-2013095241\"><script type=\"text\/javascript\">\r\n\tatOptions = {\r\n\t\t'key' : 'c1158f160081d6540a8409e6925dab94',\r\n\t\t'format' : 'iframe',\r\n\t\t'height' : 250,\r\n\t\t'width' : 300,\r\n\t\t'params' : {}\r\n\t};\r\n<\/script>\r\n<script type=\"text\/javascript\" src=\"\/\/www.highperformanceformat.com\/c1158f160081d6540a8409e6925dab94\/invoke.js\"><\/script><\/div> <p>In Excel \u00e8 possibile utilizzare le formule per estrarre il numero da un valore con testo e numeri combinati. Nell&#8217;esempio seguente abbiamo utilizzato una formula per ottenere 1984 dal valore &#8220;TPS1984&#8221;. <\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-85933\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/1-extraire-uniquement-des-chiffres.png\" sizes=\"auto, \" srcset=\"\" alt=\"estrarre solo numeri\" width=\"706\" height=\"284\"><\/figure><\/div><h2 class=\"wp-block-heading\"> Formula per estrarre numeri dal testo<\/h2><pre class=\"wp-block-code\"> <code class=\"language-excel-formula\" lang=\"excel-formula\">=TEXTJOIN(\"\",TRUE,IFERROR((MID(A1,ROW(INDIRECT(\"1:\"&amp;LEN(A1))),1)*1),\"\"))<\/code><\/pre><p> In questo tutorial, comprenderemo questa formula in dettaglio. E per capirlo dobbiamo dividerlo in pi\u00f9 parti:<\/p><ol><li> Innanzitutto, abbiamo la funzione LEN per ottenere il numero di caratteri nel valore. <br><img loading=\"lazy\" decoding=\"async\" title=\"2-formule-per-estrarre-numeri-da-una-stringa\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/2-formules-pour-extraire-des-nombres-dune-chaine.png\" sizes=\"auto, \" srcset=\"\" alt=\"formula-to-extract-numbers-from-a-string\" width=\"486\" height=\"209\"><\/li><li> Successivamente, INDIRETTO utilizza un riferimento di cella utilizzando 1 e 7 (restituiti da LEN). <br><img loading=\"lazy\" decoding=\"async\" title=\"3-usi-indiretti-di-un-riferimento-di-cella\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/3-utilisations-indirectes-dune-reference-de-cellule.png\" sizes=\"auto, \" srcset=\"\" alt=\"indirect-uses-a-cell-reference\" width=\"548\" height=\"80\"><\/li><li> Quindi la funzione RIGA utilizzer\u00e0 INDIRETTO e restituir\u00e0 una matrice di numeri che iniziano con 1 e terminano con 7. <br><img loading=\"lazy\" decoding=\"async\" title=\"La funzione a 4 righe restituisce un array\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/La-fonction-a-4-lignes-renvoie-le-tableau.png\" sizes=\"auto, \" srcset=\"\" alt=\"row-function-returns-the-array\" width=\"505\" height=\"192\"><\/li><li> Ora MID utilizzer\u00e0 questo array e ne restituir\u00e0 uno nuovo con i valori della cella a cui hai fatto riferimento. <br><img loading=\"lazy\" decoding=\"async\" title=\"5-resi-significa-nuovo-con-valore\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/5-mid-renvoie-un-nouveau-avec-valeur.png\" sizes=\"auto, \" srcset=\"\" alt=\"mid-returns-new-one-with-value\" width=\"474\" height=\"203\"><\/li><li> Successivamente, abbiamo una semplice formula di moltiplicazione per moltiplicare l&#8217;array per 1. Con questa semplice moltiplicazione, otterrai un nuovo array in cui avrai <a href=\"https:\/\/exceladvisor.org\/it\/errore-di-valore\/\">#VALORE! L&#8217;errore<\/a> per valori di testo e numeri rimarr\u00e0 intatto. <br><img loading=\"lazy\" decoding=\"async\" title=\"6-moltiplicare-l'array\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/6-multiplier-le-tableau.png\" sizes=\"auto, \" srcset=\"\" alt=\"multiply-the-array\" width=\"479\" height=\"241\"><\/li><li> Da qui, la funzione SEERRORE convertir\u00e0 i valori di errore in valori vuoti. <br><img loading=\"lazy\" decoding=\"async\" title=\"7-ferro-per-convertire-errori-a-vuoto\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/7-iferror-pour-convertir-les-erreurs-en-blanc.png\" sizes=\"auto, \" srcset=\"\" alt=\"iferror-to-convert-errors-into-blank\" width=\"500\" height=\"181\"><\/li><li> E alla fine, TEXTJOIN combiner\u00e0 i valori e nel risultato avrai solo numeri. <br><img loading=\"lazy\" decoding=\"async\" title=\"8 estratti di numeri nelle vecchie versioni di Excel\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/8-numeros-dextraction-dans-les-anciennes-versions-dExcel.png\" sizes=\"auto, \" srcset=\"\" alt=\"extract-numbers-in-older-excel-versions\" width=\"489\" height=\"125\"><\/li><\/ol><p> La formula sopra funziona solo con la versione Excel 2019 e successive. Questo perch\u00e9 stiamo utilizzando TEXTJOIN, non disponibile nelle versioni precedenti.<\/p><p class=\"tip-box\"> Se desideri un valore per una parte della formula, seleziona quella parte e premi il tasto di scelta rapida F9.<\/p><p class=\"alert-box\"> TEXTJOIN \u00e8 una funzione volatile che cambia valore quando aggiorni una cella nel foglio di lavoro. Ci\u00f2 pu\u00f2 rendere la cartella di lavoro un po&#8217; lenta.<\/p><h2 class=\"wp-block-heading\"> Ma cosa succede se utilizzo una versione precedente (2007, 2010, 2013, 2016)<\/h2><p> Se utilizzi versioni precedenti, devi utilizzare una formula diversa. Una formula come questa:<\/p><pre class=\"wp-block-code\"> <code class=\"language-excel-formula\" lang=\"excel-formula\">=IF(SUM(LEN(A1)-LEN(SUBSTITUTE(A1, {\"0\",\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\",\"8\",\"9\"}, \"\")))&gt;0, SUMPRODUCT(MID(0&amp;A1, LARGE(INDEX(ISNUMBER(--MID(A1,ROW(INDIRECT(\"$1:$\"&amp;LEN(A1))),1))* ROW(INDIRECT(\"$1:$\"&amp;LEN(A1))),0), ROW(INDIRECT(\"$1:$\"&amp;LEN(A1))))+1,1) * 10^ROW(INDIRECT(\"$1:$\"&amp;LEN(A1)))\/10),\"\")<\/code><\/pre><pre class=\"wp-block-code\"> <code class=\"language-excel-formula\" lang=\"excel-formula\">=SUMPRODUCT(MID(0&amp;A1,LARGE(INDEX(ISNUMBER(--MID(A1,ROW(INDIRECT(\"1:\"&amp;LEN(A1))),1))*ROW(INDIRECT(\"1:\"&amp;LEN(A1))),0),ROW(INDIRECT(\"1:\"&amp;LEN(A1))))+1,1)*10^ROW(INDIRECT(\"1:\"&amp;LEN(A1)))\/10)<\/code><\/pre><p> Le due formule sopra funzionano bene con diversi tipi di valori. L&#8217;ho testato nel modo seguente. <\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-85941\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/image9.png\" sizes=\"auto, \" srcset=\"\" alt=\"formule-con-valori-diversi\" width=\"640\" height=\"108\"><\/figure><\/div><p> Nella cella A1 sopra abbiamo un valore complesso costituito da testo, numeri e simboli e nel risultato sono presenti solo numeri. <\/p><div class=\"gb-container gb-container-52dfcee1 gb-container-sample-file\"><h2 class=\"gb-headline gb-headline-e289c143 gb-headline-text gb-headline-4f7959c2\"> Ottieni il file Excel<\/h2> <a class=\"gb-button gb-button-e88d6bee gb-button-text gb-button-button1\" href=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/extraire-des-numeros.xlsx\" rel=\"nofollow\">Scaricamento<\/a><\/div><div class=\"gb-container gb-container-0df56012 gb-container-mt\"> <a class=\"gb-button gb-button-f9f432f4 gb-button-text gb-button-mt-button\" href=\"https:\/\/exceladvisor.org\/it\/formule\/\">Elenco delle formule di Excel<\/a><h2 class=\"gb-headline gb-headline-233444e8 gb-headline-text gb-headline-mt-heading\"> Formule correlate <\/h2><div class=\"gb-grid-wrapper gb-grid-wrapper-a16fa65c gb-grid-wrapper-mt-grid\"><div class=\"gb-grid-column gb-grid-column-50d07e0d\"><div class=\"gb-container gb-container-50d07e0d\"><ul><li> <a href=\"https:\/\/exceladvisor.org\/it\/filtro-orizzontale\/\">Crea un filtro orizzontale in Excel<\/a><\/li><li> <a href=\"https:\/\/exceladvisor.org\/it\/stelle\/\">Crea un modello di valutazione a stelle in Excel<\/a><\/li><li> <a href=\"https:\/\/exceladvisor.org\/it\/ottenere-il-nome-del-file\/\">Ottieni il nome del file in Excel<\/a><\/li><li> <a href=\"https:\/\/exceladvisor.org\/it\/ottieni-il-nome-del-foglio\/\">Ottieni il nome del foglio in Excel<\/a><\/li><li> <a href=\"https:\/\/exceladvisor.org\/it\/generare-lettere-casuali\/\">Genera rapidamente lettere casuali in Excel<\/a><\/li><\/ul><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"ub_ctt_via":"","footnotes":""},"class_list":["post-1765","page","type-page","status-publish","hentry"],"featured_image_src":null,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Estrai solo numeri da un testo (stringa)<\/title>\n<meta name=\"description\" content=\"Questo tutorial ti insegner\u00e0 come scrivere una formula Excel per estrarre solo numeri dal testo. 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