Regular Expressions 101

<imgthe literal text <img (case sensitive)

Negated Character Class[^>]*?

*?matches any number of characters outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

id=the literal text id= (case sensitive)

Group 1(['"])

Character Class['"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 2(.+?)

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

\1the text saved by group 1

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

<img[^>]*?id=(['"])(.+?)\1

New

<section>
<span><img id="id1" src="src" alt="alt"></span>
<span><img id="id2" src="src" alt="alt"></span>
</section>