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ee.String.split
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Divide una stringa in base a un'espressione regolare, restituendo un elenco di stringhe.
Utilizzo | Resi |
---|
String.split(regex, flags) | Elenco |
Argomento | Tipo | Dettagli |
---|
questo: string | Stringa | La stringa da dividere. |
regex | Stringa | Un'espressione regolare su cui eseguire la suddivisione. Se l'espressione regolare è la stringa vuota, la stringa di input viene suddivisa in singoli caratteri. |
flags | Stringa, valore predefinito: "" | Una stringa che specifica il flag dell'espressione regolare: "i" (ignora maiuscole e minuscole). |
Esempi
Editor di codice (JavaScript)
var s = ee.String('aBAbcD');
print(s.split('Ab')); // ["aB","cD"]
// 'i' tells split to ignore case.
print(s.split('ab', 'i')); // ["","","cD"]
// Split on 'b' or 'c'
print(s.split('[bc]', 'i')); // ["a","A","","D"]
// Split on 'BA' or 'c'
print(s.split('(BA|c)')); // ["a","b","D"]
var s = ee.String('a,b,cdee f,g');
// ["a",",","b",",","c","d","e","e"," ","f",",","g"]
print(s.split(''));
print(s.split(' ')); // ["a,b,cdee","f,g"]
print(s.split('[[:space:]]')); // ["a,b,cdee","f,g"]
print(s.split(',')); // ["a","b","cdee f","g"]
print(s.split('ee')); // ["a,b,cd"," f,g"]
// Split on any lower case letter.
print(s.split('[a-z]')); // ["",",",",","","",""," ",","]
// ^ as the first character in [] excludes.
print(s.split('[^a-z]')); // ["a","b","cdee","f","g"]
// Splitting on characters that are special to split.
var s = ee.String('a.b*c?d');
print(s.split('\\.')); // ["a","b*c?d"]
print(s.split('[*]')); // ["a.b","c?d"]
print(s.split('[?]')); // ["a.b*c","d"]
Configurazione di Python
Consulta la pagina
Ambiente Python per informazioni sull'API Python e sull'utilizzo di
geemap
per lo sviluppo interattivo.
import ee
import geemap.core as geemap
Colab (Python)
s = ee.String('aBAbcD')
print(s.split('Ab').getInfo()) # ['aB', 'cD']
# 'i' tells split to ignore case.
print(s.split('ab', 'i').getInfo()) # ['', '', 'cD']
# Split on 'b' or 'c'
print(s.split('[bc]', 'i').getInfo()) # ['a', 'A', '', 'D']
# Split on 'BA' or 'c'
print(s.split('(BA|c)').getInfo()) # ['a', 'b', 'D']
s = ee.String('a,b,cdee f,g')
# ['a', ',', 'b', ',', 'c', 'd', 'e', 'e', ' ', 'f', ',', 'g']
print(s.split('').getInfo())
print(s.split(' ').getInfo()) # ['a,b,cdee', 'f,g']
print(s.split('[[:space:]]').getInfo()) # ['a,b,cdee', 'f,g']
print(s.split(',').getInfo()) # ['a', 'b', 'cdee f', 'g']
print(s.split('ee').getInfo()) # ['a,b,cd', ' f,g']
# Split on any lower case letter.
print(s.split('[a-z]').getInfo()) # ['', ',', ',', '', '', '', ' ', ',']
# ^ as the first character in [] excludes.
print(s.split('[^a-z]').getInfo()) # ['a', 'b', 'cdee', 'f', 'g']
# Splitting on characters that are special to split.
s = ee.String('a.b*c?d')
print(s.split('\\.').getInfo()) # ['a', 'b*c?d']
print(s.split('[*]').getInfo()) # ['a.b', 'c?d']
print(s.split('[?]').getInfo()) # ['a.b*c', 'd']
Salvo quando diversamente specificato, i contenuti di questa pagina sono concessi in base alla licenza Creative Commons Attribution 4.0, mentre gli esempi di codice sono concessi in base alla licenza Apache 2.0. Per ulteriori dettagli, consulta le norme del sito di Google Developers. Java è un marchio registrato di Oracle e/o delle sue consociate.
Ultimo aggiornamento 2025-07-26 UTC.
[null,null,["Ultimo aggiornamento 2025-07-26 UTC."],[[["\u003cp\u003e\u003ccode\u003eString.split()\u003c/code\u003e divides a string into a list of substrings based on a provided regular expression.\u003c/p\u003e\n"],["\u003cp\u003eThe function accepts an optional \u003ccode\u003eflags\u003c/code\u003e argument, supporting 'i' for case-insensitive splitting.\u003c/p\u003e\n"],["\u003cp\u003eIf the regular expression is an empty string, the input string is split into individual characters.\u003c/p\u003e\n"],["\u003cp\u003eSpecial characters within the regular expression can be escaped using a backslash.\u003c/p\u003e\n"]]],[],null,["# ee.String.split\n\nSplits a string on a regular expression, Returning a list of strings.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|----------------------------------|---------|\n| String.split`(regex, `*flags*`)` | List |\n\n| Argument | Type | Details |\n|----------------|---------------------|----------------------------------------------------------------------------------------------------------------------------|\n| this: `string` | String | The string to split. |\n| `regex` | String | A regular expression to split on. If regex is the empty string, then the input string is split into individual characters. |\n| `flags` | String, default: \"\" | A string specifying the regular expression flag: 'i' (ignore case). |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\nvar s = ee.String('aBAbcD');\nprint(s.split('Ab')); // [\"aB\",\"cD\"]\n// 'i' tells split to ignore case.\nprint(s.split('ab', 'i')); // [\"\",\"\",\"cD\"]\n// Split on 'b' or 'c'\nprint(s.split('[bc]', 'i')); // [\"a\",\"A\",\"\",\"D\"]\n// Split on 'BA' or 'c'\nprint(s.split('(BA|c)')); // [\"a\",\"b\",\"D\"]\n\nvar s = ee.String('a,b,cdee f,g');\n// [\"a\",\",\",\"b\",\",\",\"c\",\"d\",\"e\",\"e\",\" \",\"f\",\",\",\"g\"]\nprint(s.split(''));\n\nprint(s.split(' ')); // [\"a,b,cdee\",\"f,g\"]\nprint(s.split('[[:space:]]')); // [\"a,b,cdee\",\"f,g\"]\n\nprint(s.split(',')); // [\"a\",\"b\",\"cdee f\",\"g\"]\n\nprint(s.split('ee')); // [\"a,b,cd\",\" f,g\"]\n\n// Split on any lower case letter.\nprint(s.split('[a-z]')); // [\"\",\",\",\",\",\"\",\"\",\"\",\" \",\",\"]\n\n// ^ as the first character in [] excludes.\nprint(s.split('[^a-z]')); // [\"a\",\"b\",\"cdee\",\"f\",\"g\"]\n\n// Splitting on characters that are special to split.\nvar s = ee.String('a.b*c?d');\nprint(s.split('\\\\.')); // [\"a\",\"b*c?d\"]\nprint(s.split('[*]')); // [\"a.b\",\"c?d\"]\nprint(s.split('[?]')); // [\"a.b*c\",\"d\"]\n```\nPython setup\n\nSee the [Python Environment](/earth-engine/guides/python_install) page for information on the Python API and using\n`geemap` for interactive development. \n\n```python\nimport ee\nimport geemap.core as geemap\n```\n\n### Colab (Python)\n\n```python\ns = ee.String('aBAbcD')\nprint(s.split('Ab').getInfo()) # ['aB', 'cD']\n# 'i' tells split to ignore case.\nprint(s.split('ab', 'i').getInfo()) # ['', '', 'cD']\n# Split on 'b' or 'c'\nprint(s.split('[bc]', 'i').getInfo()) # ['a', 'A', '', 'D']\n# Split on 'BA' or 'c'\nprint(s.split('(BA|c)').getInfo()) # ['a', 'b', 'D']\n\ns = ee.String('a,b,cdee f,g')\n# ['a', ',', 'b', ',', 'c', 'd', 'e', 'e', ' ', 'f', ',', 'g']\nprint(s.split('').getInfo())\n\nprint(s.split(' ').getInfo()) # ['a,b,cdee', 'f,g']\nprint(s.split('[[:space:]]').getInfo()) # ['a,b,cdee', 'f,g']\n\nprint(s.split(',').getInfo()) # ['a', 'b', 'cdee f', 'g']\n\nprint(s.split('ee').getInfo()) # ['a,b,cd', ' f,g']\n\n# Split on any lower case letter.\nprint(s.split('[a-z]').getInfo()) # ['', ',', ',', '', '', '', ' ', ',']\n\n# ^ as the first character in [] excludes.\nprint(s.split('[^a-z]').getInfo()) # ['a', 'b', 'cdee', 'f', 'g']\n\n# Splitting on characters that are special to split.\ns = ee.String('a.b*c?d')\nprint(s.split('\\\\.').getInfo()) # ['a', 'b*c?d']\nprint(s.split('[*]').getInfo()) # ['a.b', 'c?d']\nprint(s.split('[?]').getInfo()) # ['a.b*c', 'd']\n```"]]