Implementation of 17 regular expressions in PHP, php17 regular Expressions _php tutorial

Implementation of 17 regular expressions in PHP, php17 regular expressions

17 Regular expressions implemented in PHP

This tutorial is from: PHP Tutorial Web: http://php.662p.com

"^\d+[discuz_code_1]quot;　　Non-negative integer (positive integer + 0) "^[0-9]*[1-9][0-9]*[discuz_code_1]quot; Positive integer "^ ((-\d+) | (　　0+)) [Discuz_code_1]quot;　　Non-positive integer (negative integer + 0) "^-[0-9]*[1-9][0-9]*[discuz_code_1]quot;　　　　Negative integer "^-?\d+[discuz_code_1]quot; Integer "^\d+ (\.\d+)?　　[Discuz_code_1]quot; Non-negative 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]*))　　[Discuz_code_1]quot; Positive floating point "^ ((-\d+ (\.\d+)?) | (0+ (\.0+)?))　　[Discuz_code_1]quot; Non-positive floating-point number (negative floating-point number + 0) "^ (-([0-9]+\.[ 0-9]*[1-9][0-9]*) | ([0-9]*[1-9][0-9]*\. [0-9]+) | ([0-9]*[1-9][0-9]*)))　　[Discuz_code_1]quot; Negative floating point "^ (-?\d+) (\.\d+)?　　[Discuz_code_1]quot;　　Floating point "^[a-za-z]+[discuz_code_1]quot;　　A string consisting of 26 English letters "^[a-z]+[discuz_code_1]quot;　　A string consisting of 26 uppercase letters "^[a-z]+[discuz_code_1]quot;     A string consisting of 26 lowercase letters "^[a-za-z0-9]+[discuz_code_1   ]quot;　　A string consisting of a number and 26 English letters "^\w+[discuz_code_1]quot; A string consisting of numbers, 26 letters, or underscores "^[\w-]+ (\.[ \w-]+) *@[\w-]+ (\.[　　　　\w-]+) +[discuz_code_1]quot; Email address "^[a-za-z]+://(\w+ (-\w+) *) (\. ( \w+ (-\w+) *) * (\?\s*)?    [Discuz_code_1]quot; Url

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http://www.bkjia.com/PHPjc/909084.html www.bkjia.com true http://www.bkjia.com/PHPjc/909084.html techarticle 17 Regular expressions are implemented in PHP, and there are 17 regular expressions implemented in PHP with PHP17 regular Expressions This tutorial is from: PHP Tutorial Web: http://php.662p.com "^\d+[discuz_code_1]quot; Non-negative integer ...

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