# Regular expression examples

2011-05-25  来源：本站原创  分类：Web  人气：96

Phone number regular expression (support phone number area code, 3-4 ,7-8 direct-dial number, 1-4 ext)
((\ D {11 })|^(( \ d {7,8}) | (\ d {4} | \ d {3}) - (\ d {7,8}) | (\ d {4 } | \ d {3}) - (\ d {7,8}) - (\ d {4} | \ d {3} | \ d {2} | \ d {1}) | (\ d {7 , 8}) - (\ d {4} | \ d {3} | \ d {2} | \ d {1 }))\$)

Match format:
11 mobile phone number
3-4 7-8-bit code number, 1-4 live extension, such as :12345678901,1234 -12345678-1234

"^ \ D + \$" / / non-negative integers (positive integers + 0)
"^ [0-9] * [1-9] [0-9] * \$" / / a positive integer
"^((- \ D +) | (0 +))\$" / / non-positive integer (negative integer + 0)
"^ - [0-9] * [1-9] [0-9] * \$" / / negative integers
"^ -? \ D + \$" / / integer
"^ \ D + (\. \ D +)?\$" / / non-negative floating point numbers (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 ]*))\$" / / are floating point
"^((- \ D + (\. \ D +)?)|( 0 + (\ .0 +)?))\$" / / floating-point non-positive (negative float + 0)
"^(-(([ 0-9] + \. [0-9] * [1-9] [0-9 ]*)|([ 0-9] * [1-9] [0-9] * \. [0-9 ]+)|([ 0-9] * [1-9] [0-9 ]*)))\$" / / negative float
"^(-? \ D +) (\. \ D +)?\$" / / floating point
"^ [A-Za-z] + \$" / / by the 26 English letters of the string
"^ [AZ] + \$" / / by the 26 English letters uppercase a string
"^ [Az] + \$" / / by the 26 English letters lowercase a string
"^ [A-Za-z0-9] + \$" / / 26 by the numbers and a string of letters
"^ \ W + \$" / / by the numbers, 26 English letters or underscore a string
"^ [\ W-] + (\. [\ W-]+)*@[ \ w-] + (\. [\ W-]+)+\$" / / email address
"^ [A-zA-z ]+://( \ w + (- \ w +)*)( \. (\ W + (- \ w +)*))*( \? \ S *)?\$" / / url
/ ^ 13 \ d {9} \$ / gi 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 expressions - Verify phone number: 13 [0-9] {9}
Achieving mobile phone number with 86 or 86 before the case: ^ ((\ +86) | (86))? (13) \ d {9} \$
Phone number and phone number and to verify: (^ (\ d {3,4} -)? \ D {7,8 })\$|( 13 [0-9] {9})
Extraction of information in the Web link: (h | H) (r | R) (e | E) (f | F) *= *('|")?( \ w | \ \ | \ / | \.) + ('|"| *|>)?
Extraction of information in the e-mail address: \ w +([-+.] \ w +) * @ \ w +([-.] \ w +) * \. \ W +([-.] \ w +) *
Extraction of information in the image link: (s | S) (r | R) (c | C) *= *('|")?( \ w | \ \ | \ / | \ .)+('|"| *|>)?
The IP address of extracting information: (\ d +) \. (\ D +) \. (\ D +) \. (\ D +)
Chinese extract information in the mobile phone number: (86) * 0 * 13 \ d {9}
Chinese extract information in the fixed telephone number: (\ (\ d {3,4} \) | \ d {3,4} - | \ s)? \ D {8}
Chinese extract information phone number (including mobile and fixed phone): (\ (\ d {3,4} \) | \ d {3,4} - | \ s)? \ D {7,14}
Chinese extract information in the Zip Code: [1-9] {1} (\ d +) {5}
Chinese extract information in the ID number: \ d {18} | \ d {15}
Extraction of information in the integral: \ d +
Extraction of information in the floating-point (ie decimal ):(-? \ d *) \.? \ D +
Extract information in any number: (-? \ D *) (\. \ D +)?
Chinese extract information in the string: [\ u4e00-\ u9fa5] *
Extraction of information in the double-byte string (character): [^ \ x00-\ xff] *

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Phone number regular expression (support phone number area code, 3-4 ,7-8 direct-dial number, 1-4 ext) ((\ D {11 })|^(( \ d {7,8}) | (\ d {4} | \ d {3}) - (\ d {7,8}) | (\ d {4 } | \ d {3}) - (\ d {7,8}) - (\ d {4} | \ d {3} | \ d {2} | \ d {1}) | (\

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