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)

Negated Character Class[^\>\S]+

+matches at least one character outside the set below:

\>the literal > (62₁₀ / 76₈ / 3E₁₆)

\Sany non-whitespace character

srcset=the literal text srcset= (case sensitive)

Character Class['"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Non-Capturing Group(?:([^"'\s,]+)\s*(?:\s+\d+[wx])(?:,\s*)?)+

+repeats the group contents below at least once:

Group 1([^"'\s,]+)

Negated Character Class[^"'\s,]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

\sany whitespace character

,the literal , (44₁₀ / 54₈ / 2C₁₆)

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

Non-Capturing Group(?:\s+\d+[wx])

\s+any whitespace character, repeated at least once

\d+a digit, repeated at least once

Character Class[wx]

wthe literal w (119₁₀ / 167₈ / 77₁₆) (case sensitive)

xthe literal x (120₁₀ / 170₈ / 78₁₆) (case sensitive)

Non-Capturing Group(?:,\s*)?

?repeats the group contents below at most once:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

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

Character Class["']

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

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

Detailed match information will be displayed here automatically.

26 tokens

Regular Expression

<img[^\>]*[^\>\S]+srcset=['"](?:([^"'\s,]+)\s*(?:\s+\d+[wx])(?:,\s*)?)+["']

New

<img srcset="image@2x.png 2x, image@4x.png 4x, image@6x.png 6x">