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8 questions
0
votes
0
answers
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Extract number from string with C# Regex [duplicate]
I want to extract a number from a string in C#. The input string is a single line, but otherwise can be anything. I want to extract with the following rules:
The first character can be a minus sign, ...
1
vote
4
answers
505
views
How to create a regular expression for numeric strings that should include only 0-9 digits, comma, dot, plus, minus and whitespaces?
I've had one for everything but spaces, that worked great:
new Regex("[^0-9-+,.\r]");
But adding spaces seemed to be a problem.
I don't need any validity check more than that.
- 109
1
vote
1
answer
1k
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Regular expression for single number or groups with addition (+) and subtraction (-) mathematical operator
I need to create a regular expression that only accepts numbers and addition and subtraction characters.
I've defined the single number and groups pattern by this way
([1-9][0-9]*)
I'm not able to ...
- 53
2
votes
4
answers
7k
views
Split numeric part from alphanumeric string using C#
I have alphanumeric string list.
For example:
1A
2B
7K
10A
I want to get only the numeric part and then compare them, if it is less than 10 I need not to add it in another list.
What I want to know ...
- 3,681
33
votes
6
answers
45k
views
Keep only numeric value from a string?
I have some strings like this
string phoneNumber = "(914) 395-1430";
I would like to strip out the parethenses and the dash, in other word just keep the numeric values.
So the output could look like ...
- 45.5k
2
votes
5
answers
7k
views
c# regular expression only numerical characters in string
I want to check if a string with an undefined length consist of only numbers. Example:
"234324" = true
"er32" = false
"1" = true
the way I tried to solve this problem is like this:
public bool ...
- 1,698
2
votes
1
answer
1k
views
Regex for numeric characters and .&-
I'm using C# and .NET and I have a Regex that looks like this
"\D"
That matches all non-numeric characters however I don't want that to match a decimal point (.) and a negative sign (-). How can I ...
- 7,907