regex101: PCRE (Legacy) Match Workspace

Pro

^start of line

\s*any whitespace character, repeated any number of times

Character Class[\w\s]+

+matches at least one character from the set below:

\wany word character

\sany whitespace character

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

.*any character (except for line terminators), repeated any number of times

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\s*any whitespace character, repeated any number of times

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

Group 1({((?>"(?:[^"\\]*+|\\.)*"|'(?:[^'\\]*+|\\.)*'|//.*$|/\*[\s\S]*?\*/|#.*$|<<<\s*["']?(\w+)["']?[^;]+\3;$|[^{}<'"/#]++|[^{}]++|(?1))*)})

{the literal { (123₁₀ / 173₈ / 7B₁₆)

Group 2((?>"(?:[^"\\]*+|\\.)*"|'(?:[^'\\]*+|\\.)*'|//.*$|/\*[\s\S]*?\*/|#.*$|<<<\s*["']?(\w+)["']?[^;]+\3;$|[^{}<'"/#]++|[^{}]++|(?1))*)

Atomic Group(?>"(?:[^"\\]*+|\\.)*"|'(?:[^'\\]*+|\\.)*'|//.*$|/\*[\s\S]*?\*/|#.*$|<<<\s*["']?(\w+)["']?[^;]+\3;$|[^{}<'"/#]++|[^{}]++|(?1))*

*repeats the group contents below any number of times:

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

"the literal " (34₁₀ / 42₈ / 22₁₆)

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

*repeats the group contents below any number of times:

1st Alternative[^"\\]*+

Negated Character Class[^"\\]*+

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

"the literal " (34₁₀ / 42₈ / 22₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

2nd Alternative\\.

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative'(?:[^'\\]*+|\\.)*'

'the literal ' (39₁₀ / 47₈ / 27₁₆)

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

*repeats the group contents below any number of times:

1st Alternative[^'\\]*+

Negated Character Class[^'\\]*+

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

'the literal ' (39₁₀ / 47₈ / 27₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

2nd Alternative\\.

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

3rd Alternative//.*$

//the literal text //

.*any character (except for line terminators), repeated any number of times

$end of line

4th Alternative/\*[\s\S]*?\*/

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

Character Class[\s\S]*?

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

\sany whitespace character

\Sany non-whitespace character

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

5th Alternative#.*$

#the literal # (35₁₀ / 43₈ / 23₁₆)

.*any character (except for line terminators), repeated any number of times

$end of line

6th Alternative<<<\s*["']?(\w+)["']?[^;]+\3;$

<<<the literal text <<<

\s*any whitespace character, repeated any number of times

Character Class["']?

?matches at most one character from the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Group 3(\w+)

\w+any word character, repeated at least once

Character Class["']?

?matches at most one character from the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Negated Character Class[^;]+

+matches at least one character outside the set below:

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

\3the text saved by group 3

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

$end of line

7th Alternative[^{}<'"/#]++

Negated Character Class[^{}<'"/#]++

++matches at least one character outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

8th Alternative[^{}]++

9th Alternative(?1)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

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

25 tokens

Regular Expression

^\s*[\w\s]+\(.*\)\s*\K({((?>"(?:[^"\\]*+|\\.)*"|'(?:[^'\\]*+|\\.)*'|//.*$|/\*[\s\S]*?\*/|#.*$|<<<\s*["']?(\w+)["']?[^;]+\3;$|[^{}<'"/#]++|[^{}]++|(?1))*)})

Unit Tests

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