17 regular expressions
"^ // D $" // Non-negative integer (positive integer 0)
"^ [0-9] * [1-9] [0-9] * $" // positive integer
"^ ((- // d ) | (0 )) $" // Non-integer (negative integer 0)
"^ - [0-9] * [1-9] [0-9] * $" // negative
"^ -? // D $" // integer
"^ // d (//.// D )? $" // Non-looted number (positive floating point 0)
"^ (([0-9] //. [0-9] * [1-9] [0-9] *) | ([0-9] * [1-9] [0-9] * //.[0-9] )| ([0-9]*[1-9][0-9]*) "$" // Positive floating point number
"^ ((((- // D (//// D )?) | (0 (//. 0 )?) $" // Non-positively floating point number (loungent number 0)
"^ (((((((((((([0-9] //. [0-9] * [1-9] *) | ([0-9] * [1-9] [0-9 ] * //. [0-9] ) | ([0-9] * [1-9] [0-9] *))) $ "// load floating point number
"^ (-? // d )? $" // floating point number
"^ [A-ZA-Z] $" // String consisting of 26 English letters
"^ [A-Z] $" // String consisting of 26 English letters
"^ [A-Z] $" // String consisting of 26 English letters
"^ [A-ZA-Z0-9] $" // String consisting of numbers and 26 English letters
"^ // w $" // string consisting of numbers, 26 English letters or underlined
"^ [// w -] (//. [// w -] ) * @ [// w -] (//. [// w -] ) $" // email address
"^ [a-za-z] : // (// w // w ) *) (// w // w ) *) * (//? // s *)? $ "// URL
