Sort out several common Regular Expressions in C #

"^ \ 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 + )? $ "// Non-negative floating point number (Positive 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] *) $ "// 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 consisting of 26 English letters" ^ [A-Z] + $ "// consists of 26 A string consisting of uppercase letters "^ [A-Z] + $" // a string consisting of lowercase letters 26 "^ [A-Za-z0-9] + $" // composed A string consisting of a number and 26 English letters "^ \ W + $" // a string consisting of a number, 26 English letters, or underscores "^ [\ W-] + (\. [\ W-] +) * @ [\ W-] + (\. [\ W-] +) + $ "// email address" ^ [A-Za-Z] +: // (\ W + (-\ W + )*) (\. (\ W + (-\ W + )*))*(\? \ S *)? $ "// URL
Only numbers can be entered: "^ [0-9] * $". Only n digits can be entered: "^ \ D {n} $". Only n digits can be entered: "^ \ D {n ,}$" can only input m-N digits: "^ \ D {M, N }$" can only input numbers starting with zero and non-zero: "^ (0 | [1-9] [0-9] *) $" can only input positive numbers with two decimal places: "^ [0-9] + (. [0-9] {2 })? $ "Can only enter positive numbers with 1-3 decimal places:" ^ [0-9] + (. [0-9] {1, 3 })? $ "Only a non-zero positive integer can be entered:" ^ \ +? [1-9] [0-9] * $ "can only be a non-zero negative integer: "^ \-[1-9] [0-9] * $" can only contain 3 characters: "^. {3} $ "can only be a string consisting of 26 English letters:" ^ [A-Za-Z] + $ "can only be a string consisting of 26 uppercase English letters: '^ [A-Z] + $' can only enter a string consisting of 26 lower-case letters: "^ [A-Z] + $" can only be a string consisting of a number and 26 English letters: '^ [A-Za-z0-9] + $' can only enter a string consisting of digits, 26 English letters, or underscores: '^ \ W + $' to verify the user password: "^ [A-Za-Z] \ W {5, 17} $" is in the correct format: it must start with a letter and be between 6 and 18 characters. It can only contain characters, numbers, and underscores. Check whether ^ % & ',; =? $ \ "And other characters:" [^ % & ',; =? $ \ X22] + "only Chinese characters can be entered:" ^ [\ u4e00-\ u9fa5], {0,} $ "verification email address: "^ \ W + ([-+.] \ W +) * @ \ W + ([-.] \ W + )*\. \ W + ([-.] \ W +) * $ "verify interneturl:" ^ http: // ([\ W-] + \.) + [\ W-] + (/[\ W -. /? % & =] *)? $ "Verification phone number:" ^ (\ D {3, 4} \) | \ D {3, 4 }-)? \ D {7,8} $ is in the correct format: XXXX-XXXXXXX, XXXX-XXXXXXXX, XXX-XXXXXXX, XXX-XXXXXXXX, xxxxxxx, XXXXXXXX ". Verify the ID card number (15 or 18 digits): "^ \ D {15} | \ D {} 18 $" 12 months of a year: "^ (0? [1-9] | 1 [0-2]) $ "the correct format is:" 01 "-" 09 "and" 1 "" 12 "to verify the 31 days of a month: "^ (0? [1-9]) | (1 | 2) [0-9]) | 30 | 31) $ "the correct format is: "01" "09" and "1" "31 ".