You can do it with a LINQ like solution instead of a regular expression:
string input = "123- abcd33";
string chars = new String(input.Where(c => c != '-' && (c < '0' || c > '9')).ToArray());
A quick performance test shows that this is about five times faster than using a regular expression.
Blow codes could help you...
Fetch Numbers:
return string.Concat(input.Where(char.IsNumber));
Fetch Letters:
return string.Concat(input.Where(char.IsLetter));
As a string extension:
public static string RemoveIntegers(this string input)
{
return Regex.Replace(input, @"[\d-]", string.Empty);
}
Usage:
"My text 1232".RemoveIntegers(); // RETURNS "My text "
var result = Regex.Replace("123- abcd33", @"[0-9\-]", string.Empty);
text= re.sub('[0-9\n]',' ',text)
install regex in python which is re then do the following code.
the best design is:
public static string RemoveIntegers(this string input)
{
return Regex.Replace(input, @"[\d-]", string.Empty);
}
Source: Stackoverflow.com