The importance of the Visual Basic Editor and the lack of resources covering the VBE in detail are the main reasons why I decided to write this Excel tutorial.
#Excel vba tutorial what is how to
Therefore, if you want to become an advanced macro and VBA user, you must understand how to use the VBE properly.
#Excel vba tutorial what is code
The place where you'll find those Code Windows is the Visual Basic Editor. This is a pity because, in practice, you're likely to constantly work with the VBE on your way to becoming a proficient VBA user. I know it because, as explained above, that happened to me. Many people who are interested in learning macros and Visual Basic for Applications feel confused the first time they open the Visual Basic Editor. The truth is that, as of the time of this writing, there are not that many online resources covering this in detail. However, sometimes I take a look around the Internet to see if I can find a good and comprehensive Excel tutorial about the VBE. Nowadays, I have no problems using the Visual Basic Editor and feel quite comfortable working on it. Obviously, in the last few years I've come a long way. At the time, I really wished I had access to an Excel tutorial that explained the main features of the VBE comprehensively. The first few times I opened the Visual Basic Editor I had no idea what I was looking at or what I was supposed to do. However, if you're anything like me, your answer will be the Visual Basic Editor (or VBE). Set rgx = CreateObject("VBScript.What is the aspect about learning macros and Visual Basic for Applications that you find more intimidating?įor some people, the answer will revolve around having to learn a new programming language and coding. ' This function returns the string if any one ' Pattern1 = To validate Telephone number with Country code ' Combined two patterns with pipe sign (|) = OR It is up to you how you want to use the extracted data.įunction listEmailIDsAndPhoneNumbers(regString As String) In place of string you can ofcourse pass the value from a cell and you can extract all the email ids and phone numbers from a cell and put them in another cell using loop. Here are some quite obvious usage of RegEx in Excel VBA: Usage 1# Extract and List all the Email IDs and Phone Numbers from a Cell Textįollowing function can extract and list all the emailds and telephone numbers written in a string. Though as you must have already got an idea that this can be used in many ways in Excel VBA.
' Function returns a boolean - true/false ' Note: It return as boolean - True or False ' matches with the regex pattern provided It returns True or False – based on match found or not found.įunction testMethodRegEx(regPattern As String, regString As String) As Boolean – This is used to find whether a Regex pattern is matched in a given string. ' Note: It return a new string where all the matchesĭebug.Print rgx.Replace(origString, Function ' the regex Pattern - with a given string It returns a new string with all the matched string replaced with provided string.įunction rePlaceMethodRegEx(regPattern As String, origString As String) – Using this method a character or string is searched based on a defined pattern, and once found it is replaced with a new character or string defined. ' AllMatches object stores all the matches Set rgx = CreateObject("VBScript.RegExp") ' Note: Returns an object holding all the matches To read all the matches found, you need to loop through the object returned as shown in the below code.įunction executeMethodRegEx(regPattern As String, regString As String) This method returns an Object which holds all the matches as an Array format. – In this method, a match from a string is extracted based on defined mathcing pattern. It provides basically three main methods: Or else you can create Object of type VBScript.RegExp before you use it. To use this built-in feature, you can use early binding you need to add reference in your VBA project – VBScript.RegExp VBScript has a built-in support for RegEx – Regualr Expression. To know more about Regular Expressions, you can also read this Wiki page – Extraction: Extract specific kind of words or phrases which follows specific pattern. Validation: You can validate any input or output – if it has a specific patternģ. Wild Search: You can search a specific types of string which follows a specific pattern rather than providing the exact word to search.Ģ. These are very useful in many ways…few of them are here…ġ. In other words – regular expressions can be imagined as a sequence of wildcard characters.
Regular Expression is a pattern string which is used as a search pattern. RegEx is basically short form of Regular Expression. VBA to replace strings with specific string which matches with given RegEx pattern 6. VBA to Search based on a RegEx pattern 5. VBA to validate a string against a RegEx pattern 4.
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