c# regex matches example - Stack Overflow
The extra '\' is intentional. When you pass the pattern around in the C# code, the doubled '\' lets the CLR know that the '\' is part of the regex pattern, not a special character in the C# string such as '\n' or '\t' …
Regex that accepts only numbers (0-9) and NO characters
By putting ^ at the beginning of your regex and $ at the end, you ensure that no other characters are allowed before or after your regex. For example, the regex [0-9] matches the strings "9" as well as …
Regex for numbers only in C# - Stack Overflow
Dec 16, 2019 · I haven't used regular expressions at all, so I'm having difficulty troubleshooting. I want the regex to match only when the contained string is all numbers; but with the two examples below it is
Regular Expression to match letters, numbers and underscore in C#
I am trying to create a regular expression pattern in C#. The pattern can only allow for: letters numbers underscores So far I am having little luck (I'm not good at RegEx). Here is what I have t...
c# - Regex Email validation - Stack Overflow
Mar 17, 2011 · I use this @"^([\\w\\.\\-]+)@([\\w\\-]+)((\\.(\\w){2,3})+)$" regexp to validate the email ([\\w\\.\\-]+) - this is for the first-level domain (many letters and ...
.net - Multiple regex options with C# Regex - Stack Overflow
Multiple regex options with C# Regex Asked 14 years, 1 month ago Modified 4 years, 4 months ago Viewed 35k times
C# Regex: Checking for "a-z" and "A-Z" - Stack Overflow
A TIP: Rather than writing a-zA-Z you can use ?i to make your regex pattern case insensitive and then just write a-z where ever required.
.net - C# Regex string parsing - Stack Overflow
Oct 4, 2012 · The regex matches the string fine - it returns true (or match.Success) when all the variables are filled. However, getting each individual value is what I'm after.
How to use inline modifiers in C# regex? - Stack Overflow
How do I use the inline modifiers instead of RegexOptions.Option? For example: Regex MyRegex = new Regex(@"[a-z]+", RegexOptions.IgnoreCase); How do I rewrite this using the inline character i? ...
c# - using static Regex.IsMatch vs creating an instance of Regex ...
Jan 6, 2009 · Static Regex methods cache the parsed regular expression representation for the last 15 (by default) patterns. So if you aren't using many different patterns in your application, or your usage …