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如何限制Excel单元格中的字符长度？

Excel 中的单元格最多可容纳 32,767 个字符，仅显示 1,024 个字符，而全部 32,767 个字符在公式栏中可见。 但是，有时您可能需要将用户输入限制为单元格中的一定数量的字符，例如将其限制为 10 个字符。 本教程将向您展示如何有效限制 Excel 单元格中的字符数。

限制单元格中的字符数

本节介绍限制可输入特定单元格或单元格范围的字符数的步骤。

  1. 选择要强制执行字符长度限制的单元格范围。
  2. 点击 数据验证 ，在 数据工具 下的组 时间 标签。
  3. 在 数据验证 对话框中，请设置验证规则如下：
    1. 来自 允许： 下拉菜单，选择 文字长度.
    2. 来自 日期： 下拉列表中，根据您的要求选择标准：
      1. 选择 等于 精确字符数的选项，例如 10 个字符。
      2. 选择 小于或等于 最大字符数限制，例如最多 10 个字符。
      3. 选择 比...更棒 超过特定计数，例如超过 10 个字符。
    3. 在 最大/最低限度/长度： 框中，根据您的需要输入所需的字符数限制。
  4. 点击 OK.

现在，用户将被限制在所选单元格中的设定字符限制内输入文本。

轻松防止在Excel中的单元格/选择中键入特殊字符，数字或字母

使用 Kutools for Excel 的 防止打字 功能，您可以轻松限制 Excel 单元格或选择中的字符类型。
A。 阻止输入特殊字符，例如 *, !等等。
B。 限制输入特定字符，例如数字或某些字母；
C。 仅允许根据需要输入指定字符，例如数字或字母。

设置输入消息以通知字符限制

在这里，我们将解释如何设置输入消息，在用户开始输入之前告知用户字符限制，如下图所示：

  1. 选择要添加输入消息的单元格。
  2. 点击 数据验证 ，在 数据工具 下的组 时间 标签。
  3. 在 数据验证 对话框中，选择 输入信息。 标签，然后执行以下操作：
    1. 访问 选择单元格时显示输入消息 选项。
    2. 输入消息标题和消息内容。
  4. 点击 OK.

现在，当您单击配置了输入消息的单元格时，将出现一个工具提示，显示您之前输入的消息标题和内容。

激活违反字符限制的错误警报

本部分将指导您在 Excel 中配置错误警报，旨在在输入的数据不符合指定的字符限制时立即通知用户。 看截图：

  1. 选择要针对无效数据输入实例激活错误警报的单元格。
  2. 点击 数据验证 ，在 数据工具 下的组 时间 标签。
  3. 在 数据验证 对话框中，选择 错误警报 标签，然后执行以下操作：
    1. 访问 输入无效数据后显示错误警报 选项。
    2. 点击 警告 选项从 类型： 下拉框。
    3. 输入警报标题和错误消息。
  4. 点击 OK.

从现在开始，如果在单元格中输入的文本无效，例如超过10个字符，则会出现警告对话框，显示预设的警报标题和消息。

演示：通过输入消息和警报警告限制单元格中的字符长度


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一键防止在单个列/列表中输入重复数据

Kutools for Excel 的创新 防止重复 实用程序为 Excel 用户提供了轻松防止列表或列中出现重复条目​​的便利。 只需单击一下，这个强大的工具即可确保电子表格中数据的完整性和准确性。

相关文章：

如何限制Excel中的单元格值条目？

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Comments (54)
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Olena
Olena
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Thank you!
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Kyaw Kyaw
Kyaw Kyaw
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why date and number is allowed at text length?
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Amanda Lee
Amanda Lee     Kyaw Kyaw
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Hi there, numbers are also characters. So if you set the max length less than 10 characters, as long as you don't input 10 or more number characters, you will be good.

Amanda
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JJ
JJ
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This is almost the exact solution I need but still need a bit more help. What I'm trying to achieve is to set a cell to have a max of 40 characters but not stop the user from entering all the data he needs, instead i would like anything over the 40 character limit to be populated in a second designated cell. Is this even a possibility? Thank you everyone in advance for any assistance provided.
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Guest
Guest     JJ
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I found this information useful to resolve a similar issue that I am facing.

https://support.microsoft.com/en-us/office/split-text-into-different-columns-with-the-convert-text-to-columns-wizard-30b14928-5550-41f5-97ca-7a3e9c363ed7
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Michael
Michael
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I saw Tomas question about putting an exact limit of 10 spaces and your formula =A1&REPT(" ",10-LEN(A1)) however I need to take it a step further. I want to take three separate fields that I have set their spaces to exactly 10 and concatenate them with their "spaces" intact. Also, if I don't limit what they enter and they enter MORE than 10 characters in one of the cells I want to take ONLY the first 10. So as an example, I want to give them three cells they can enter information in. I don't want to limit what they input BUT, I want to concatenate these three fields and pick up 10 characters from each one. So if the first cell has 4 characters, in my concatenate formula I want it to pick up the 4 characters PLUS 6 spaces. If the second field has 20 characters, I want to only pick up the first 10 characters and the same thing for the third cell. We are trying to get to a uniform 30 characters of description but some names are longer or shorter than others. We want this to break evenly with 10 characters per cell. Hopefully this is making sense.
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Tomas
Tomas
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Hi, do you know how to put exact length limit 10 and when put abc i want from excel to put 8 space?
I want to set a cell to 10 character, when input 2 character then will auto fill up with 8 space after. if the cell is blank, then return with 10 space. this is for setting a excel file for user input and save as txt or cvs file for import to other software.
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kellytte
kellytte     Tomas
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Hi Tomas,
You can use a formula to limit the text length: =A1 & REPT(" ",10-LEN(A1))
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question
question
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I want to limit the quantity of a cell depending on the category of another one,

For example if I input in A1 "Ok" in B1 must be limit to 10 characters
but if A1= "NG", B1 must be limit to 12 characters.
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Eliza
Eliza
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[quote]Hi, do you know how to put exact length limit 10 and when put abc i want from excel to put 8 space?By Ivan[/quote] I want to set a cell to 10 character, when input 2 character then will auto fill up with 8 space after. if the cell is blank, then return with 10 space. this is for setting a excel file for user input and save as txt or cvs file for import to other software
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ARNAB DEBNATH
ARNAB DEBNATH
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Hi, I have a attendance sheet. from 1 to 31. I put "P" on each cell if person is present. Now I want that how many times "P" is continuing present in cell. As as example - I have put "P" from 1 to 6 , then from 8th to 9th put P, and 10th is gap. then from 11th its continue to 18th. ... now i want how many times P is continue 6 time . PPPPPP PP PPPPPPPP Manually the answer is : 2(1to6 = 1,11to18=1) If you have any formula to count this it will be a great help.
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Paul
Paul     ARNAB DEBNATH
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=COUNTIF(B2:B17,">""") this formula will ignore empty cells but will count cells with data in i.e. P
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Shawn
Shawn
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Hi. I want out put txt file and no spaces between cell values. Like 3 cells with First Name, Middle and last. Entered Shawn G Goldman as SHAWNGGOLDMAN
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Shawn
Shawn
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Hi I want few things in a cell. I only want numbers in cell. I want to limit to 10 characters. I want to remove decimal like 15.00 to 1500. I want to indent to right. Also to add 0's to left to make it 10 characters .like 15.00 to 0000001500
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