# VBA - Generating Random Characters In Cell With Format Of Yymmdd / Randcharacters / Numbers

Mar 29, 2014
I would like to ask if there's a way to generate a random 4 characters in one cell and the specific random 4 characters that has been generated will be copied until the last cell of my preferred choice?

The format that I want is that:

yymmdd / random 4 characters that has been generated / 4 numbers that will increment sequentially

For example:

in A1: 140330QWER0001

in A2: 140330QWER0002

in A3: 140330QWER0003

.

.

.

.

.

But here's the catch, the file that I am using when closed then opened again will generate another random 4 characters with the same format. If i opened this file tomorrow:

for example the date for tomorrow is March 31, 2014, the file will do:

in A1: 140331TYUI0001

in A2: 140331TYUI0002

in A3: 140331TYUI0003

.

.

.

.

.

I tried to record it, the Rand() function when copied will generate another 4 characters.

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Nov 21, 2006

im given an area and im asked to generate 10000 random numbers. how can i?

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Jul 26, 2013

How to generate semi-random numbers? I have a small sample (26 points) that I would like to extrapolate out and plot on a skewed bell curve. The numbers represent a ratio which can never be less than one. The average of my sample is 1.0149 and the standard deviation is 0.01234. When I use the random number generator tool in the data analysis pack, it generates mostly good numbers, but it also produces numbers like 0.98 and such that are never possible in my data. I've made a plot with the random numbers, including the sub-one ones, and then just adjusted the x-axis so that they wouldn't show on the graph, but I know that that's not the correct way to do it. My graph isn't skewed as much as it should be.

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Nov 10, 2008

I wanted to generate 11 random numbers between 1 and 10, which added up to 100 every time I pressed F9...

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Mar 8, 2007

1. I need to randomly generate either a 1, 6 or 12 every time I hit calculate (i.e. F9).

2. I want to specify the probablility of each result. For example, I want 12 to be the result 80% of the time, and 6 and 1 to be the result 10% of the time.

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Oct 24, 2013

I need to generate 8 (random) numbers which should range between 0 to 80 and the sum of those generated 8 numbers should be 80.? How can I achieve this.

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Feb 19, 2014

I need generating 40 rows (Columns of 17 (Columns A - Q) Random numbers (1 to 5) that will sum to specific values (60, 55..) in R Column, and to regenerate it on pressing any key.

The same has been done for one value in [URL] ..... but I need it for a set.

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Jun 25, 2012

I'm looking to generate correlated random unifrom numbers between 0 and 1 using the excel random number generator, rand(), and a user defined correlation matrix - without the use of a plugin. I realise there are plenty of risk plugins I could use, but was looking for something excel/vba reliant so I could distribute it without the user having to install anything.

I've tried using a cholesky matrix, but most of time it resulted in one of the numbers being 1, and higher that all the others.

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May 12, 2009

I know the randbetween portion of my code will not work - but how can I make this work with VBA? I need four random numbers added after the 4 string characters.

For Each R In MyNewR

If IsEmpty(R) Then

R.Value = Right(R.Offset(0, -1), 4) & _

Application.WorksheetFunction.randbetween(1, 9)

End If

Next R

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Oct 20, 2009

I have a spreadsheet of 1000+ companies and I want to take a random sampling of 100 of them. I would assume this could be accomplished by auto-filling a numerical value to each line of data (which I did), then scrambling only the column with the numbers (which I can't figure out), and then selecting the entire text and resorting it to put the numbers back in order and then just work with the first 100 rows (which I can do, if I knew how to make the numbers random).

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Feb 10, 2009

Can anyone help, I'm trying to create some test data, eg 1000 rows in excel. In each cell a formula (?) returns some text such as Dog, Cat or Rabbit based on the probability Dog=0.5, Cat=0.3, Rabbit=0.2

I've come up with a messy solution of generating a random number between 1-100 and then using a lookup table where 1-50 = dog etc... it works but is long winded and difficult for other people to follow.

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Oct 14, 2011

I've managed to write a random number generator that produces multiple sets with no repeating numbers per a set.

Now, to step it up a notch, I'm trying to create an even distribution of the numbers generated which is where I could use a hand. Here's my current code:

Code:

Option Base 1

Sub RandomNumberStrings()

Dim rndno As String, strg As String, msg1 As String

Dim r1() As String, r2() As String

[Code]....

Equaling 500 numbers generated as intended, but my target is to get every number with an equal frequency.

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Aug 14, 2014

Wondering if it is possible to generate a random 4 digit number based off an alphanumeric string?

Example;

Cell A1 has 123XVF1234

Cell A2 has 321AFW4321

In B1 I would like to have a 4-6 digit number that is generated based on the alphanumeric data in Cell A1 (and so on down the list). If that is possible, I would also need to be able to convert back the 4-6 digit number back to its original alphanumeric value

Example;

If B1 returns 643562 it would need to be able to be converted back to 123XVF1234

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Sep 18, 2009

I am working on a Random Cycle Count Generator that provides random SKU#s based on 3 separate columns of SKU listings. The user clicks a button to generate the SKU#s to cycle count for that day. What I would like to see is a date stamp in the columns next(B,D,F) to the referenced SKU listing(A,C,E) based on which SKU#s are generated. This will let me see the last date that the SKU was generated. I would also like it to automatically save after generating.

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Aug 29, 2012

I have what seems to be a pretty complicated situation involving random numbers and letters. I need to generate random sets of this combination of 2 letters follows by 6 numbers (ex. AB123456). I need the final product to be randomly generated and non-repeated.

I have played with various methods of producing random numbers and random letters both repeated and non-repeated. The closest I can get would be a cell of randomly generated letters adjacent to a cell of randomly generated numbers which so far has been useless.

VBA or excel functions are both okay.

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Mar 29, 2009

I have the following code which formats the cell values in column A to 10 characters on entry:

Sub FormatToTenCharacters()

Dim Cell As Range, LR As Long

LR = Range("A" & Rows.Count).End(xlUp).Row

For Each Cell In Range("A1:A" & LR)

If Len(Cell.Value) < 10 Then Cell.Value = "'" & Application.Rept("0", 10 - Len(Cell.Value)) & UCase(Cell.Value)

Next Cell

End Sub

For example:

Enter excel in A1 and it changes to '00000EXCEL

Enter 123456 in A2 and it changes to '0000123456

Enter abc456 in A3 and it changes to '0000ABC456

I want to format it as text so that it does not have the apostrophe (').

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May 14, 2014

I need a formula that I can put into a cell, I assume via data validation, and will prevent the use of any symbols other than a hyphen "-". Spaces are fine. The cell is being used to enter the 1st line of an address.

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Nov 7, 2009

I'm working on a report right now that I would like to identify incorrect phone numbers. So I'm looking to use the LEN function to identify and highlight any phone number that is incomplete (like missing area code). But I also don't want it to highlight if there is an "N/A" in the cell.

So I was using =LEN(A1:A100)<10 since 10 digits would be a complete phone number). But I don't know how to manipulate it to be if the cell is greater than 3, but less than 10.

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Mar 4, 2014

The attached file "Temp.xlsm" has been provided to me. I need to generate two files from it - 1) csv 2) a text file in a certain format. It should basically look liked the attached file "InFile.txt" which is an input file for a modelling tool. The arrays and struct strings need to be within brackets and it only contains inputs. Outputs don't need to be generated.

With the code in "Temp.xlsm" so far I have been able to generate attached file "Temp.txt". The only missing bit is the formatting of arrays and structures.

Basically for row7 in "temp.xls" , if it is

Xls - In

Struct_Start - (

Array_Start - (

Array_and_Struct_Start - ((

Struct_End - )

Array_End - )

Array_and_Struct_End - ))

and members within these need to be separated by commas.

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Mar 22, 2009

I am curious can we chose random number out of numbers if they are in one cell separated by coma

Example:

*A111, 12, 14, 18, 19

Is there any formula so Random number can be selected from cell A1

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Feb 16, 2010

I thought I had this solved but an inconsistency has shown up. I have a long list of chemical formulas that I want to format (partially) as subscript.

Basically what I need the macro to do is look at each character within a cell and check to see if it is numeric. If it is AND it follows a non-numeric character it should be formatted as subscript.

Examples

H2O the 2 should be subscript

H2SO4 the 2 and the 4 should be subscript

2CCl4 only the 4 should be subscript

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Feb 16, 2010

I have a long list of chemical formulas that I want to format (partially) as subscript.

Basically what I need the macro to do is look at each character within a cell and check to see if it is numeric. If it is AND it follows a non-numeric character it should be formatted as subscript.

Examples

H2O the 2 should be subscript

H2SO4 the 2 and the 4 should be subscript

2CCl4 only the 4 should be subscript

CuSO4 - 5H2O

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Jan 29, 2013

So we had a month long, company paid (woohoo!) "weight watchers" challenge. On 1 worksheet ("Stats"), I have the Name of every Employee (A Column), then their Start Weight (B Column), End Weight (C Column), Department (D Column) and finally Location (E Column).

I know how sensative some people can be about their weight, so I locked the page and created another worksheet named "UI", which will display the "Average End Weight" for each department. So Human Resources would be the department in cell A2 on the UI sheet, with City 1 being the Column Header in cell B1. There are 8 cities (offices) and 23 departments.

So, for cell B2, I want to scan through the "Stats" worksheet and locate all of the cells in the department and location columns that read "Human Resources" and "City 1" respectively. Then grab the "End Weight" for every row that meets these 2 criteria, add them up, and divide by the number of "End Weights" that were grabbed.

My solution would be to make a separate column for each department (and then each city, so essentially 8 columns to represent all the cities for each department), use a nested (maybe 4) IF statements to then list only the end weight if that particular row meets the criteria, then at the bottom of each separate column, add all the shown numbers up and divide, then draw the information from THAT number into the "Average" cell on the UI worksheet. But it isn't very dynamic and if i want to use this sheet next year, there will be more employee info to be added and it would be a mess..further more, it would be...what...23 Departments x 8 Cities x 155 employees = ~28,500 added cells.

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May 28, 2014

I have a cell which contains the following information:

01E4R3; 01W5; 01M4G3; 01W5

I want to sum up just the numbers in that cell. In this example, the answer should be: 30

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Oct 15, 2012

I'm faced with receiving data for time, in a text format, as follows:

Example of possible cell contents...

20secs

40m20secs

2h40m20secs

I'm not interested in the secs value but need to isolate the h (hours) and m (mins) values to use in another formula as numbers. The time could be shown in either of the above formats with either; (a) just secs, (b) mins & secs or (c) hrs, mins & secs... and of course the hours or mins values could be 1 or 2 digits in length. How can I determine (using formula only, not vba) what the values for hours and/or mins are dependent upon what is present?

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May 17, 2006

I use the first six numbers of a SA Identity number to calculate the age of a person as these six digits are actually the year (yy) followed by the month (mm) followed by the day (dd), I am born 01 September 1962, and therefore my first six digits are 620901.

Assume the figure 620901 is placed in Cell A1

Now, in another cell, say A4, I have a future date, but this value is formatted as dd/mm/yyyy. Assume this value to be 01/10/2017.

Firstly, I'd like to know How old I AM at that date and secondly, just because I am battling so, how old I will be on my next birthday, because adding the figure 1 to a total has never been so useless - it just doesn't work! I tried adding all sorts of numbers for months and days in a year but there was no consistency.

So here is my question: Simple - how do I get this to work?

On 1/10/2017 I will be 55, or turning 56 At Next Birthday. I have the following function that gives the answer of 55, but not 56 ANB even after 1 additional year is added to the function (the cell is formatted as yy):

Cell A6 Function = A4-DATE(LEFT(A2,2)+1900,MID(A2,3,2),MID(A2,5,2))

Also, ON my birthdate, 01/09/2017, it says that I am 54, and it has to be wrong because I would have turned 55, unless the function uses time and not just the actual date somewhere. On the next day it does, at least, see me as 55.

how to add calculate what my age will be AT MY NEXT BIRTHDATE for any given date in A4?

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Jun 3, 2013

Down loading data I receive dates as a number that indicates YYMMDD (ex. 130603 is 03 JUN 13). Is there an easy way to convert these number strings to the actual date indicated other than typing it in?

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Feb 9, 2009

I have certain cells in column ‘D’ with a ‘nine digit code’ then a ‘space’ and the word ‘sum’ e.g. ‘123456789 sum’.

What I require is the formula to enter in ‘formula is’ when you select Conditional Formatting so the cells in column ‘E’ changes to a green background if the corresponding cell in column ‘D’ has text in it and the last three characters are the word ‘sum’

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Dec 14, 2006

I have a list numbered 0 to 300. What I am looking for is a formula to randomly select 150 unique sets of two numbers and list them in separate columns for a competition draw and should appear as per the example below

HomeAway

7v96

11v4

146v25

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Mar 17, 2008

I am looking for a way to create a random order of numbers in a given range. For example, A1:a100 to be populated with a random number between 1 and 100, but not to duplicate, using every possible number within that range. I use the RANDBETWEEN function to generate the numbers, but I cannot prvent them from duplicating.

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