Common regular expression

xiaoxiao2021-03-06  72

expression

Description

^ / d $

Match non-negative integer (positive integer 0)

^ [0-9] * [1-9] [0-9] * $

Match positive integer

^ ((- / d ) | (0 )) $

Matching non-positive integers (negative integer 0)

^ - [0-9] * [1-9] [0-9] * $

Matching negative integers

^ -? / d $

Match integer

^ / D (/./ d )? $

Match the number of non-looted points (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] *)) $

Match positive floating point

^ (((- / D (/. D )?) | (0 (/. 0 )?)) $

Matching non-positive floating point numbers (load point 0)

^ (((((((((((([0-9] /. [0-9] * [1-9] [0-9] *) | ([0-9] * [1-9] [0-9] * / .[0-9] )| ([[0-9]*[1-9][0-9]* ))) $

Matching the load

^ (-? / d ) (/./ d )? $

Match floating point

^ [A-ZA-Z] $

Match string consisting of 26 English letters

^ [A-z] $

Match string consisting of overwrites of 26 English letters

^ [a-z] $

Match strings consisting of 26 English letters

^ [A-ZA-Z0-9] $

Match strings consisting of numbers and 26 English letters

^ / W $

Match string consisting of numbers, 26 English letters or underlined

^ [/ w -] (/. [/ w -] ) * @ [/ w -] (/. [/ w -] ) $

Match an email address

HTTP: / / (/ w (- / w ) *) (/ w (- / w ) *) * (/? / s *)?

Match URL

转载请注明原文地址:https://www.9cbs.com/read-91405.html

New Post(0)