Common Regular Expressions _ regular expressions in collected asp.net

"^\d+$"//non-negative Integer (positive integer + 0)
"^[0-9]*[1-9][0-9]*$"//Positive integer
"^ ((-\d+) | (0+)) $ "//non-positive integer (negative integer + 0)
"^-[0-9]*[1-9][0-9]*$"//Negative integer
"^-?\d+$"//Integer
"^\d+ (\.\d+)? $"//nonnegative floating-point number (positive float + 0)
"^ ([0-9]+\. [0-9]*[1-9][0-9]*) | ([0-9]*[1-9][0-9]*\. [0-9]+) | ([0-9]*[1-9][0-9]*)] $ "//Positive floating-point number
"^ ((-\d+ (\.\d+)?) | (0+ (\.0+)) $ "//non-positive floating-point number (negative floating-point number + 0)
^ (-([0-9]+\. [0-9]*[1-9][0-9]*) | ([0-9]*[1-9][0-9]*\. [0-9]+) | ([0-9]*[1-9][0-9]*))] $ "//negative floating-point
Number
"^ (-?\d+) (\.\d+)? $"//floating-point number
"^[a-za-z]+$"//A string of 26 English letters
"^[a-z]+$"//A string of 26 uppercase letters
"^[a-z]+$"///a string consisting of 26 lowercase letters
"^[a-za-z0-9]+$"//A string of numbers and 26 English letters
"^\w+$"//A string of numbers, 26 English letters, or underscores
"^[\w-]+ (\.[ \w-]+) *@[\w-]+ (\.[ \w-]+) +$ "//email address
"^[a-za-z]+://(\w+ (-\w+) *) (\. ( \w+ (-\w+) *)) * (\?\s*) $ "//url
/^13\d{9}$/gi cell phone number Regular expression
public static bool Isvalidmobileno (string Mobileno)
{
Const string Regpattern = @ "^ (130|131|132|133|134|135|136|137|138|139) \d{8}$";
Return Regex.IsMatch (Mobileno, Regpattern);
}
Regular expression--verification of mobile phone number: 13[0-9]{9}
To achieve the mobile phone number 86 or +86 before: ^ (\+86) | (86))? (\d{9}$)
The phone number and mobile number are verified simultaneously: (^ (\d{3,4}-) \d{7,8}) $| (13[0-9]{9})
To extract the network links in the information: (h| H) (r| R) (e| E) (f| F) *= * (' | ')? (\w|\\|\/|\.)  +('|"| *|>)?
Message address in the extraction information: \w+ ([-+.] \w+) *@\w+ ([-.] \w+) *\.\w+ ([-.] \w+) *
Extract picture links in information: (s| S) (r| R) (c| C) *= * (' | ')? (\w|\\|\/|\.)  +('|"| *|>)?
Extract the IP address in the information: (\d+) \. (\d+) \. (\d+) \. (\d+)
China Mobile phone number to extract information: (*0*13\D{9)
Extract Chinese fixed phone number in information: (\ (\d{3,4}\) |\d{3,4}-|\s)? \d{8}
Extract the Chinese phone number (including mobile and landline) in the information:(\ (\d{3,4}\) |\d{3,4}-|\s)? \d{7,14}
China Post Code in Extract information: [1-9]{1} (\d+) {5}
Chinese identity card number in the extraction of information: \d{18}|\d{15}
To extract an integer from the information: \d+
Extract floating-point numbers (that is, decimals) in the information: (-?\d*) \.? \d+
Extract any number in the information: (-?\d*) (\.\d+)?
Extract the Chinese string in the information: [\u4e00-\u9fa5]*
Extract a double-byte string (kanji) from the information: [^\x00-\xff]*