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Get last 6 digits of string c#

WebYou can use String.LastIndexOf. int position = s.LastIndexOf ('/'); if (position > -1) s = s.Substring (position + 1); Another option is to use a Uri, if that's what you need. This has a benefit of parsing other parts of the uri, and dealing well with the query string, eg: BusinessRelationType?q=hello world WebOct 31, 2012 · 4 Answers Sorted by: 125 Your regex \d+ (?!\d+) says match any number if it is not immediately followed by a number. which is incorrect. A number is last if it is not followed (following it anywhere, not just immediately) by any other number. When translated to regex we have: (\d+) (?!.*\d) Rubular Link Share Improve this answer Follow

c# - Best way to get all digits from a string - Stack Overflow

WebJan 26, 2009 · You could do it arithmetically, without using a string: sum = 0; while (n != 0) { sum += n % 10; n /= 10; } Share Improve this answer Follow answered Jan 26, 2009 at 6:22 Greg Hewgill 936k 180 1138 1278 Beat me to it. This is the best way. – mmcdole Jan 26, 2009 at 6:23 Personally, I see this better conceptually as a for loop... WebTo mask all digits except the first 6 and last 4 digits of a string, you can use the string.Substring method to extract the first 6 and last 4 characters of the string, and then use a regular expression to replace all digits in the remaining characters with an asterisk. Here's an example implementation: olly theanine https://trabzontelcit.com

.net - Extract number at end of string in C# - Stack Overflow

WebMay 28, 2015 · I opened this thread looking for a quick solution to a simple question, but I found that the answers here were either not helpful or overly complicated. The best way to get the last 5 chars of a string is, in fact, to use the Right() method. Here is a simple example: Dim sMyString, sLast5 As String sMyString = "I will be going to school in 2011!" WebIs there any better way to get take a string such as " (123) 455-2344" and get "1234552344" from it than doing this: var matches = Regex.Matches (input, @" [0-9]+", RegexOptions.Compiled); return String.Join (string.Empty, matches.Cast () .Select (x => x.Value).ToArray ()); Perhaps a regex pattern that can do it in a single match? WebDec 26, 2024 · You just need to get the remainder of the division by 100: last7day.map(x => x % 100) If there are strings in your array you want to skip you may check if the values are numbers: last7day.map(x => typeof(x) === 'number' ? x % 100 : "") You really dont need to convert the numbers to strings and back. olly testo

Regular expression to match last number in a string

Category:c# - mask all digits except first 6 and last 4 digits of a string ...

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Get last 6 digits of string c#

Mask all digits except first 6 and last 4 digits of a string( length ...

WebJun 30, 2024 · The Regex.Match method searches the specified input string for the first occurrence of the regular expression. So, when you have a string like 1002945, and you want to get exactly 4 digits from the end, you may use var result = Regex.Replace ("1002945", @".* ( [0-9] {4})$", "$1", RegexOptions.Singleline); or WebIf you do : myString.Last().ToString() you will get the last char converted into a string again. It is perhaps very readable for some coders, others likes a more array index approach casting directly : string last = field[field.Length - 1].ToString(); Direct cast …

Get last 6 digits of string c#

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WebMay 14, 2011 · Lots of options like: string original = "A string that will only contain 10 characters"; //first option string test = original.Substring (0, 10); //second option string AnotherTest = original.Remove (10); //third option string SomeOtherTest = string.Concat (original.Take (10)); Hope it helps out. Share Follow answered Dec 17, 2013 at 1:12 WebJun 23, 2015 · var cardNumber = "3456123434561234"; var firstDigits = cardNumber.Substring (0, 6); var lastDigits = cardNumber.Substring (cardNumber.Length - 4, 4); var requiredMask = new String ('X', cardNumber.Length - firstDigits.Length - lastDigits.Length); var maskedString = string.Concat (firstDigits, requiredMask, …

WebMay 21, 2024 · 1 I am trying to get the last 6 digits from the strings that look like this 1234-56789 -- last 6 digits would be 456789 12345/6789 -- last 6 digits would be 456789 1234567-89 -- last 6 digits would be 456789 123-456789 -- last 6 digits would be 456789 This \d. {6}+$ regex gives me the numbers with characters - and /. WebJan 27, 2012 · 15 Answers. Sorted by: 44. Something like this: string s = "1234567890123"; // example string result = s.Substring (s.Length - 4).PadLeft (s.Length, '*'); This will mask all but the last four characters of the string. It assumes that the source string is at least 4 characters long. Share. Follow.

WebSep 21, 2024 · You have to use it like this: string endOfString = Strings.Right (wholeString, 6); – Alan McBee Jan 22, 2015 at 3:50 3 Possible duplicate of How to get last 4 character from a string in c#? – drzaus Dec 14, 2015 at 17:33 Add a comment 22 Answers Sorted by: 172 string SubString = MyString.Substring (MyString.Length-6); Share Improve this answer WebFeb 29, 2016 · 6 Answers Sorted by: 161 Many ways this can be achieved. Simple approach should be taking Substring of an input string. var result = input.Substring (input.Length - 3); Another approach using Regular Expression to extract last 3 characters. var result = Regex.Match (input,@" (. {3})\s*$"); Working Demo Share Improve this answer Follow

WebSep 22, 2024 · A simple C# extension method which use Substring to get the last N characters in a string. In C#, Substring method is used to …

WebJul 14, 2010 · 11 Answers Sorted by: 160 How about: String numbers = text.substring (text.length () - 7); That assumes that there are 7 characters at the end, of course. It will throw an exception if you pass it "12345". You could address that this way: String numbers = text.substring (Math.max (0, text.length () - 7)); or olly the perfect women\u0027s multiolly the braveWebTo access the last 4 characters of a string we can use the Substring () method by passing the string.Length-4 as an argument to it. Here is an example, that gets the last four … olly the ostrichWebI have a string that can have values like "1 Of 1" "2 Of 4" "8 Of 10" etc. I want the value of the last number in the string, i.e., 1, 4,10. Would Regex \\d+$ work? olly the octopusWebIn this tutorial, we are going to learn about how to get the last n number of characters from a string in C#. Getting the last n characters. To access the last n characters of a string, … olly the trolley tours cleveland ohWebMar 21, 2012 · There is a custom format string "y", but that will still return two digits, only not zero padded. I.e. 2009 will be formatted as "9", but 2010 will be formatted as "10". You can use an empty string literal to make "y" be the custom format string instead of the standard format string: date.ToString("''y"); is ameritrade downWebJan 1, 2010 · You can use string.LastIndexOf (). string input = "127.3.2.21.4"; int lastIndex = input.LastIndexOf ('.'); string lastNumber = input.Substring (lastIndex + 1); string increment = (int.Parse (lastNumber) + 1).ToString (); string result = string.Concat (input.Substring (0, lastIndex + 1), increment); Share Improve this answer Follow is ameriwood a good brand