VBA for Beginners – Chapter 09 : Substrings

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VBA, or Visual Basic for Applications, is a programming language that can be used to automate tasks in Microsoft Office programs like Excel, Word, and PowerPoint. One of the most basic string manipulation techniques in VBA is called “substring”. As a beginner, it’s important to understand how to use substrings to extract specific portions of a string.

A substring is a part of a string. In VBA, you can use the Mid, Left and Right functions to extract substrings from a string.

The Mid function allows you to extract a specific number of characters from a string, starting at a specific position. For example, if you have a string “Hello World” and you want to extract the word “World” from the string, you would use the Mid function to select the 6th through 10th characters of the string.

The Left function allows you to extract a specific number of characters from the left side of a string. For example, if you have a string “Hello World” and you want to extract only the first 5 characters, “Hello”, you would use the Left function to select the first 5 characters of the string.

The Right function allows you to extract a specific number of characters from the right side of a string. For example, if you have a string “Hello World” and you want to extract only the last 5 characters, “World”, you would use the Right function to select the last 5 characters of the string.

Substrings are useful for a variety of tasks such as extracting specific information from a string, manipulating data, and more. For example, you can use substrings to extract a person’s last name from a string that contains their full name, or to extract a specific product code from a string that contains a list of products.

In addition to extracting substrings, you can also use the Len function to determine the length of a string. This function returns the number of characters in a string. For example, if you have a string “Hello World” and you want to know how many characters it contains, you can use the Len function to accomplish this.

In conclusion, understanding the basics of substrings in VBA is an important part of becoming proficient in this programming language. Whether you’re extracting specific portions of a string, manipulating data, or determining the length of a string, these techniques will help you to create more advanced and powerful macros. With practice and experimentation, you’ll be able to master these techniques and take your VBA skills to the next level.

 

VBA for Beginners – Chapter 09 : Substrings

 

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