string.indexraise an exception when the letter doesnt exist. Better usestring.findinstead, it gives-1if the letter not found: dist +=abs(i - self.value.find(letter)) If you want to give another value than-1, you should test it before using it: ...
ValueError: substring not found 还以为是代码出了问题,最后查阅文档: “Python index() rindex()方法检测字符串中是否包含子字符串 str,如果指定 beg(开始) 和 end(结束) 范围,则检查是否包含在指定范围内,该方法与 python find()方法一样,只不过如果str不在 string中会报一个异常。” 1 str.rindex(str, ...
but it returns-1instead of raising an exception if the substring is not found. That may or may not be what you want, since it will sort the unmatched substrings before all the ones that do match somewhere.
Whenindex()function fails to find a given substring within a string, it raises theValueError: substring not found. To prevent the program from crashing, we can replace theindex()method withfind(), which performs the same string operation yet fails in silence. It is also helpful to wrap the...
self.target_line.lower().index(payload.lower()) ValueError: substring not found Additional Information: "type": "Hex High Entropy String", "filename": "<removed string>", "hashed_secret": "<removed string>", "is_verified": false, "line_number": 678...
美['sʌbstrɪŋ] 英['sʌbstrɪŋ] n.子串;副行 网络子字符串;取子串;子字串 英汉 网络释义 n. 1. 子串 2. 副行 例句 更多例句筛选
The functionsubstring_toworks in the same way assubstring_before, but the subrange before the offset of the occurrence plus the length of the substring found is returned. The return code has the typestringaccordingly. Note The performance of the substring functions is not as good as a directsu...
(found +2)); }// The example displays the following output:// The initial values in the array are:// Name: Felica Walker// Title: Mz.// Age: 47// Location: Paris// Gender: F/// We want to retrieve only the key information. That is:// Felica Walker// Mz.// 47// Paris//...
-ErrorAction:SilentlyContinue parameter is not being respected & $error variable not updated -ExpandProperty & Export CSV !!! powershell script to add a word in the beginning of the text file - URGENT !!! 'A positional parameter cannot be found that accepts argument '$null'. 'Name' Attribut...
, "Age: 47", "Location: Paris", "Gender: F"}; int found = 0; Console.WriteLine("The initial values in the array are:"); foreach (string s in info) Console.WriteLine(s); Console.WriteLine("\nWe want to retrieve only the key information. That is:"); foreach (string s in ...