Regular Expressions 101

Character Class[\w.-]+

+matches at least one character from the set below:

\wany word character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Negative Lookahead(?![^"]*"(?:(?:[^"]*"){2})*[^"]*$)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

Non-Capturing Group(?:(?:[^"]*"){2})*

*repeats the group contents below any number of times:

Non-Capturing Group(?:[^"]*"){2}

{2}repeats the group contents below exactly 2 times:

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

$end of string, or before its final line terminator

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

[\w.-]+(?![^"]*"(?:(?:[^"]*"){2})*[^"]*$)

New

my_var == "Hello world!" foo /(^*#&^$ 
"hello" foobar "hello" FOO "hello" baz
Hi foo, I said "hello" $&@^$(@$)@$&*@(*$&