Regular Expressions 101

Group 1(<\s*(\w+)[^<]*?)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

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

Group 2(\w+)

\w+any word character, repeated at least once

Negated Character Class[^<]*?

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

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\s+any whitespace character, repeated at least once

this-html=the literal text this-html= (case sensitive)

Character Class['"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 3([^"']*)

Negated Character Class[^"']*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Character Class['"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 4([^>]*?)

Negated Character Class[^>]*?

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

>the literal > (62₁₀ / 76₈ / 3E₁₆)

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

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Character Class[\w\W]*?

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

\wany word character

\Wany non-word character

Group 5(<\/\2>)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\2the text saved by group 2

>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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(<\s*(\w+)[^<]*?)\s+this-html=['"]([^"']*)['"]([^>]*?)\s*>[\w\W]*?(<\/\2>)

New

<div this-html="text goes here!" class="something">test</div><div this-html="another test">Option is visible on preview/publish</div>

$1$4>$3$5