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 …
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 …
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 …
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 ...
c# - Regex for removing only specific special characters from …
Regex for removing only specific special characters from string Asked 8 years, 9 months ago Modified 3 years, 11 months ago Viewed 101k times
c# - Regex to remove all special characters from string ... - Stack ...
I actually have a list of complex class objects, and I'm using the .FindAll with a delegate function to find all matches. The regex comes into play in a property on my class that uses the regex to …
regex - Best Regular Expression for Email Validation in C# - Stack …
14 This C# function uses a regular expression to evaluate whether the passed email address is syntactically valid or not.
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, …
regex - How do I replace multiple spaces with a single space in C# ...
The {2,} makes the regex search for the character preceding it, and finds substrings between 2 and unlimited times. The .Replace(temp, " ") replaces all matches in the string temp with a …
Format string with regex in c# - Stack Overflow
Regex is often derided, but is a pretty neat way of doing what you need. Can be extended to more complex requirements that are difficult to meet using string methods.