regex101: PCRE2 (PHP) Match Workspace

<imgthe literal text <img (case sensitive)

.+?any character (except for line terminators), repeated at least once

class=the literal text class= (case sensitive)

Character Class["']

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

.*?any character (except for line terminators), repeated any number of times

hero-classthe literal text hero-class (case sensitive)

.*?any character (except for line terminators), repeated any number of times

Character Class["']

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

.*?any character (except for line terminators), repeated any number of times

src=the literal text src= (case sensitive)

Character Class["']

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Group 1(.+?)

.+?any character (except for line terminators), repeated at least once

Character Class["']

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

.*?any character (except for line terminators), repeated any number of times

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Search reference

Regular Expression

<img.+?class=["'].*?hero-class.*?["'].*?src=["'](.+?)["'].*?>

New

// it should match but it didn't
<img src="image.jpg" class="hero-class">

// it shouldn't match class 'nohero-class-dont-match'
<img class="nohero-class-dont-match" src="image.jpg">

// it shouldn't match custom tag 'imgs-tag'
<imgs-tag class="hero-class" src="image.jpg">

// it shouldn't match two tags and text between them
<img src="foo.jpg" class="hero-class"> any text <img src="image.jpg">

// it should match whole src attribute, not just part
<img class="hero-class" src="mcdonald's.jpg">

// it shouldn't match custom attribute 'data-src'
<img class="hero-class" data-src="custom info" src="image.jpg">

Regular Expressions 101

Regular Expression

Extraction