Browsing files in a folder using VB.NET

This small piece of code will give an idea to browse file in a given folder.

Start your VB.NET application and create a new project (Ctrl+Shift+N) in Windows Application and design your form as you like. I have design my form as below (Figure 1.):

Now drag a FolderBrowseDialog from Toolbox and name it FolderBrowserDialog1.

On click event of btnBrowse open FolderBrowserDialog1 to select folder and then assign that path to txtPath.

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List All System Drives using C#.NET

This tip will explain how to get the computer’s logical drives from the local system. The code will work on flavors of C#.net. First of Create new C#.Net Console Application, you can do same by pressing Ctrl+Shift+N

Now replace you Program.cs file content with following…

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Finding Four and(or) Six letter words using regular expressions

In this regular expression we are going to find out All Four to Six letter words. A word is a unit (member) of language that represents a concept which can be expressively communicated with meaning. A word consists of one or more morphemes which are linked more or less tightly together, and has a phonetic value. Get more information about Finding Words using regular expressions.

Regular Expression Pattern

(?<=(?:\s|\G|\A))(\w{4}|\w{6})(?=(?:\s|\Z|\.|\?|\!))

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Finding Four to Six letter words using regular expressions

In this regular expression we are going to find out All Four to Six letter words. A word is a unit (member) of language that represents a concept which can be expressively communicated with meaning. A word consists of one or more morphemes which are linked more or less tightly together, and has a phonetic value. Get more information about Finding Words using regular expressions.

Regular Expression Pattern

(?< =(?:\s|\G|\A))\w{4,6}(?=(?:\s|\Z|\.|\?|\!))

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In this regular expression we are going to find out All Words. A word is a unit (member) of language that represents a concept which can be expressively communicated with meaning. A word consists of one or more morphemes which are linked more or less tightly together, and has a phonetic value.

Regular Expression Pattern

^\b\w+\b$

A description of the regular expression:

First or last character in a word
Alphanumeric, one or more repetitions
First or last character in a word

How It Works

This regular expression will check First or last character in a word. An Alphanumeric, one or more repetitions and First or last character in a word.

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