Collect some useful Regular Expressions

"^ \ 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] + $" // a string consisting of 26 uppercase letters

"^ [A-Z] + $" // a string consisting of 26 lowercase letters

"^ [A-Za-z0-9] + $" // string consisting of digits and 26 letters

"^ \ W + $" // a string consisting of digits, 26 letters, or underscores

"^ [\ W-] + (\. [\ W-] +) * @ [\ W-] + (\. [\ W-] +) + $ "// email address

"^ [A-Za-Z] +: // (\ W + (-\ W + )*)(\. (\ W + (-\ W + )*))*(\? \ S *)? $ "// URL

/^ (D {2} | D {4})-(0 ([1-9] {1}) | (1 [1 | 2]) -([0-2] ([1-9] {1}) | (3 [0 | 1]) $ // year-month-day

/^ (0 ([1-9] {1}) | (1 [1 | 2]) /([0-2] ([1-9] {1}) | (3 [0 | 1]) /(d {2} | D {4}) $ // month/day/year

"^ ([W-.] +) @ ([0-9] {1, 3 }. [0-9] {1, 3 }. [0-9] {1, 3 }.) | ([w-] + .) +) ([A-Za-Z] {2, 4} | [0-9] {1, 3}) (]?) $ "// Emil

"(D + -)? (D {4 }-? D {7} | D {3 }-? D {8} | ^ d {7, 8}) (-D + )? "// Phone number

"^ (D {1, 2} | 1dd | 2 [0-4] d | 25 [0-5]). (d {1, 2} | 1dd | 2 [0-4] d | 25 [0-5]). (d {1, 2} | 1dd | 2 [0-4] d | 25 [0-5]). (d {1, 2} | 1dd | 2 [0-4] d | 25 [0-5]) $ "// ip address

^ ([0-9a-f] {2}) (-[0-9a-f] {2}) {5} $ // Regular Expression of the MAC address

^ [-+]? \ D + (\. \ D + )? $ // Value Type Regular Expression