Regular Expressions 101

(?x)applies the following effective flags to the remainder of the pattern: gmx

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

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Non-Capturing Group(?: '(?>[^']+|'')*' | "(?>[^"]+|"")*" | [^]*? | (?R) )*

*repeats the group contents below any number of times:

1st Alternative '(?>[^']+|'')*'

'the literal text '

Atomic Group(?>[^']+|'')*

*repeats the group contents below any number of times:

1st Alternative[^']+

Negated Character Class[^']+

+matches at least one character outside the set below:

'the literal ' (39₁₀ / 47₈ / 27₁₆)

2nd Alternative''

''the literal text ''

' the literal text '

2nd Alternative "(?>[^"]+|"")*"

"the literal text "

Atomic Group(?>[^"]+|"")*

*repeats the group contents below any number of times:

1st Alternative[^"]+

Negated Character Class[^"]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative""

""the literal text ""

" the literal text "

3rd Alternative [^]*?

Negated Character Class[^]*?

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

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

4th Alternative (?R)

(?R)recurses into the entire pattern

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

(?x)
\( (?: '(?>[^']+|'')*' | "(?>[^"]+|"")*" |  [^\(\)]*? | (?R) )* \)

New

Func bla((2-5) + 8, "Ein( String ))", (7-8)+(5-(9-8))) ) ))