17 regular expressions

zhaozj2021-02-16  76

"^ // 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-load floating point 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 )

/

"^ (((((((((((([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 )

////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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