Common validation Regular expressions for JS

JS Regular expression Use explanation: various validation syntax

Intege: "^-?" [1-9]//d*$],//integer

Intege1: "^[1-9]//d*$",//Positive integer

Intege2: "^-[1-9]//d*$",//Negative integer

Num: "^ ([+-]?) d*//.? d+$ ",//Digital

NUM1: "^[1-9]//d*|0$",//positive number (positive integer + 0)

NUM2: "^-[1-9]//d*|0$",//negative number (negative integer + 0)

Decmal: "^ ([+-]?) d*//.//d+$ ",//floating point

Decmal1: "^[1-9]//d*.//d*|0.//d*[1-9]//d*$",//positive floating point

Decmal2: "^-([1-9]//d*.//d*|0.//d*[1-9]//d*) $",//negative floating-point number

DECMAL3: "^-?" ([1-9]//d*.//d*|0.//d*[1-9]//d*|0?. 0+|0) $ ",//floating-point number

Decmal4: "^[1-9]//d*.//d*|0.//d*[1-9]//d*|0?" 0+|0$ ",//non-negative floating point number (positive floating point + 0)

DECMAL5: "^ (-([1-9]//d*.//d*|0.//d*[1-9]//d*)] | 0+|0$ ",//non-positive floating-point number (negative floating-point number + 0)

Email: "^//w+ ((-//w+) | ( .//w+)) *//@[a-za-z0-9]+ ((//.| -) [a-za-z0-9]+] *//. [a-za-z0-9]+$],//Mail

Color: "^[a-fa-f0-9]{6}$",//Color

URL: "^http[s]?:/ ([//w-]+//.) +[//w-]+ ([//w-./?%&=]*)? $ ",//url

Chinese: "[//u4e00-//u9fa5//uf900-//ufa2d]+$",//Chinese only

Chandengandnumect: "^[//u4e00-//u9fa5//uf900-//ufa2d//w+]+$",

ASCII: "^[//x00-//xff]+$",//only acsii characters

ZipCode: "^//d{6}$",//ZIP code

Mobile: "^1[0-9]{10}$",//Mobile phone

IP4: "^ (25[0-5]|2[0-4]//d|[ 0-1]//d{2}| [1-9]?//d)//. (25[0-5]|2[0-4]//d| [0-1]//d{2}| [1-9]?//d)//. (25[0-5]|2[0-4]//d| [0-1]//d{2}| [1-9]?//d)//. (25[0-5]|2[0-4]//d| [0-1]//d{2}| [1-9]?//d) $ ",//IP address

Notempty: "^//s+$",//Non-empty

Picture: "(. *)//. (JPG|BMP|GIF|ICO|PCX|JPEG|TIF|PNG|RAW|TGA) $ ",//Picture

RAR: "(. *)//. (rar|zip|7zip|tgz) $ ",//Compressed file

XLS: "(. *)//. (XLS) $ ",//excel www.2cto.com

Date: "^//d{4} (//-|///|/.) d{1,2}//1//d{1,2}$ ",//Date

QQ: "^[1-9]*[1-9][0-9]*$",//qq number

Tel: "^ ([0//+]//d{2,3}-)? ( 0//d{2,3})? (//d{7,8}) (-(//d{3,}))? $ ",//telephone number functions (including verifying domestic area code, international area code, extension number)

Netfaxno: "^[2-9][0-9]{6,7}",

Username: "^//w+$",//used for user registration. Matches a string consisting of a number, 26 letters, or underscores

Letter: "^[a-za-z]+$",//Letters

Letter_u: "^[a-z]+$",//capital letters

letter_l: "^[a-z]+$",//lowercase letters

Idcard: "^[1-9" ([0-9]{14}|[ 0-9]{17}) $ "//ID