Common regular expression

xiaoxiao2021-04-05  268

"^ // 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

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