Tag: Regex

To check if a value is a double value in Android you can use the snippet below. Samples Java (Android) Sample public static boolean IsDoubleValue(String input) { if(!TextUtils.isEmpty(input.trim())) { //use…

Here is an example on how to remove specific (unicode) characters in a String using C# and VB.NET Samples C# Sample static void Main(string[] args) { Console.OutputEncoding = System.Text.Encoding.Unicode; const…

To match strings using wildcards in C# and VB.NET you can use the following snippet. It will internally convert the wildcard string to a Regex. The Console-Output of this sample…

To match roman numerals using Regex you can use the following regex. The First Group should contain the Roman Numeral. ^(?i:(?=[MDCLXVI])((M{0,3})((C[DM])|(D?C{0,3}))?((X[LC])|(L?XX{0,2})|L)?((I[VX])|(V?(II{0,2}))|V)?))$

To get the Youtube VideoId from an Url in C# and VB.NET you can use the following snippet. It matches these 18 type of Youtube Links (Sample Data): Sample Input…

To get the VideoID of a youtube video using Regex you can use the following snippet. Sample Regex ^(?:http(?:s)?:\/\/)?(?:www\.)?(?:youtu\.be\/|youtube\.[a-zA-Z]{1,3}\/(?:(?:watch)?\?(?:.*&)?v(?:i)?=|(?:embed|v|vi|user)\/))([^\?&\”‘>]+) This will match the Vl1tVxfFf1A in https://www.youtube.com/watch?v=Vl1tVxfFf1A. A more complex regex…

This snippet will give you the IsUppercase extension method for C# and VB.NET Sample C# Sample VB.NET

to validate hex value with regex you can use this snippet. Sample RegEx this regex will match: #112233 #FF1122 #aaffDD

There are various methods to remove unicode characters from a String in .NET. Below i will show you some methods and the benchmark results. Before choosing a method, take a…

To check if the userAgent is a mobile device in jQuery you can use the following snippet. It will match the following: • Android • webOS • iPhone • iPad…