Regular expression for extracting the src attribute value of an img element

This article describes how to obtain the src attribute value of the link address of an image from img. This article describes how to obtain the src attribute value of the link address of an image from img.

String to be matched:

Regular expression:

[^'"]*)[\'"])|(?
 
  [^\s]*))
 

Output result of regular expression matching:

ximage/ad1.gifimage/ad2.gif

PHP regular expression extraction or the src attribute value of the img element:

 
PHP regular expression extraction or change any attribute in the img Mark of the image'; // 1. obtain the entire image code preg_match ('/<\ s * img \ s + [^>] *? Src \ s * = \ s * (\ '| \")(.*?) \ 1 [^>] *? \/? \ S *>/I ', $ str, $ match); echo $ match [0]; // 2. obtain width preg_match (' // I ', $ str, $ match); echo $ match [1]; // 3. take height preg_match ('// I', $ str, $ match); echo $ match [1]; // 4. obtain src preg_match ('// I', $ str, $ match); echo $ match [1]; /* PHP regular expression to replace any attribute in the img Mark of the image * // 1. replace src = "/uploads/images/20100516000.jpg" with src ="/uploads/uc/images/20100516000.jpg") print preg_replace ('/()/I', "\$ {1} uc/images/\$ {3}", $ str); echo"
 "; // 2. replace src ="/uploads/images/20100516000.jpg" with src = "/uploads/uc/images/20100516000.jpg ", print preg_replace ('/(/I', "\$ {1 }\\ {2} uc/images/\$ {3}> ", $ str);?>

Js regular expression to extract image addresses

// Regular expression