Regular Expressions 101

Pro

Group key(?<key>[^\s=]+)

Negated Character Class[^\s=]+

+matches at least one character outside the set below:

\sany whitespace character

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group value(?<value>"[^"\\]*(?:\\.[^"\\]*)*"|[^\s"]+)

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

"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)

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative[^\s"]+

Negated Character Class[^\s"]+

+matches at least one character outside the set below:

\sany whitespace character

"the literal " (34₁₀ / 42₈ / 22₁₆)

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.

25 tokens

Regular Expression

(?<key>[^\s=]+)=(?<value>"[^"\\]*(?:\\.[^"\\]*)*"|[^\s"]+)

A="value" F="something here" T="This is the value"
F="something \"here\"" T="The value's here" X=ignore
F="something's here" T="He said \"This is also the value\""