Regular Expressions 101

Group arg(?<arg>(?<key>\w+)=(?<quote>['"`]?)(?<value>(?:(?!\k<quote>)[^\\])*(?:\\[\s\S](?:(?!\k<quote>)[^\\])*)*)\k<quote>)

Group key(?<key>\w+)

\w+any word character, repeated at least once

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group quote(?<quote>['"`]?)

Character Class['"`]?

?matches at most one character from the set below:

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

`the literal ` (96₁₀ / 140₈ / 60₁₆)

Group value(?<value>(?:(?!\k<quote>)[^\\])*(?:\\[\s\S](?:(?!\k<quote>)[^\\])*)*)

Non-Capturing Group(?:(?!\k<quote>)[^\\])*

*repeats the group contents below any number of times:

Negative Lookahead(?!\k<quote>)

\k<quote>the text saved by group quote

Negated Character Class[^\\]

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Non-Capturing Group(?:\\[\s\S](?:(?!\k<quote>)[^\\])*)*

*repeats the group contents below any number of times:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Character Class[\s\S]

\sany whitespace character

\Sany non-whitespace character

Non-Capturing Group(?:(?!\k<quote>)[^\\])*

*repeats the group contents below any number of times:

Negative Lookahead(?!\k<quote>)

\k<quote>the text saved by group quote

Negated Character Class[^\\]

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

\k<quote>the text saved by group quote

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

(?<arg>(?<key>\w+)=(?<quote>['"`]?)(?<value>(?:(?!\k<quote>)[^\\])*(?:\\[\s\S](?:(?!\k<quote>)[^\\])*)*)\k<quote>)

New

arg="value" arg='value' arg=`value` arg="value 'value'" arg='value \'value\' value' arg="value \"value\" value" arg=`value \`value\ value`