Regular Expressions 101

Explanation
Pro

Non-Capturing Group(?: "([^"\\]*(?:\\.[^"\\]*)*)" | [\w-]+(?:="?[^"\\]*(?:\\.[^"\\]*)*"?)? )

1st Alternative "([^"\\]*(?:\\.[^"\\]*)*)"

"the literal text "

Group 1([^"\\]*(?:\\.[^"\\]*)*)

Negated Character Class[^"\\]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Non-Capturing Group(?:\\.[^"\\]*)*

*repeats the group contents below any number of times:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

Negated Character Class[^"\\]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

" the literal text "

2nd Alternative [\w-]+(?:="?[^"\\]*(?:\\.[^"\\]*)*"?)?

Character Class[\w-]+

+matches at least one character from the set below:

\wany word character

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Non-Capturing Group(?:="?[^"\\]*(?:\\.[^"\\]*)*"?)?

?repeats the group contents below at most once:

=the literal = (61₁₀ / 75₈ / 3D₁₆)

"?optionally matches the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^"\\]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Non-Capturing Group(?:\\.[^"\\]*)*

*repeats the group contents below any number of times:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

Negated Character Class[^"\\]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

"?optionally matches the literal " (34₁₀ / 42₈ / 22₁₆)

Global pattern flags

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

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

(?:
  "([^"\\]*(?:\\.[^"\\]*)*)"
  |
  [\w-]+(?:="?[^"\\]*(?:\\.[^"\\]*)*"?)?
)

New

@("hello, world" bold italic font-size="15")