Regular Expressions 101

Pro

<imgthe literal text <img (case sensitive)

\ban ASCII word boundary

Negated Character Class[^>]*

*matches any number of characters outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

\ban ASCII word boundary

srcthe literal text src (case sensitive)

\s*any whitespace character, repeated any number of times

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\s*any whitespace character, repeated any number of times

Group 1(['"])

Character Class['"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 2(.*?)

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

\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.

25 tokens

<img\b[^>]*\bsrc\s*=\s*(['"])(.*?)\1

New

hello, here's an <img alt="image" src="some://url"/> and here's a <video src="not://interested"/>

hello, here's an <img alt="image" src="some://url"/> and here's a <video src="not://interested"/>