regex101: Python Substitution Workspace

Pro

Positive Lookbehind(?<=\s)

\sa Unicode whitespace character

Group 1((?:docstring|some_detailed_notes)\s*=\s*\(?\s*(?://.*\n\s*)*)

Non-Capturing Group(?:docstring|some_detailed_notes)

1st Alternativedocstring

docstringthe literal text docstring (case sensitive)

2nd Alternativesome_detailed_notes

some_detailed_notesthe literal text some_detailed_notes (case sensitive)

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

=the literal = (61₁₀ / 75₈ / 3D₁₆)

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

\(?optionally matches the literal ( (40₁₀ / 50₈ / 28₁₆)

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

Non-Capturing Group(?://.*\n\s*)*

*repeats the group contents below any number of times:

//the literal text //

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

\na line-feed (newline) character (ASCII 10)

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

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 2((?:[^"\\]|\\.)+)

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

+repeats the group contents below at least once:

1st Alternative[^"\\]

Negated Character Class[^"\\]

"the literal " (34₁₀ / 42₈ / 22₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

2nd Alternative\\.

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any Unicode character (except for line terminators)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 3(\s*\)?\s*;)

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

\)?optionally matches the literal ) (41₁₀ / 51₈ / 29₁₆)

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

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

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)((?:docstring|some_detailed_notes)\s*=\s*\(?\s*(?://.*\n\s*)*)"((?:[^"\\]|\\.)+)"(\s*\)?\s*;)

class myClassA(myBaseClass) {

  docstring =  // End-of-line-comments possible
"
This is my class description docstring stored in a string variable inherited from
myBaseClass.
The content of this string, INCLUDING INDENTATION, MUST NOT be changed.
";

docstring = (
"
Enclosed in parentheses
"
);

  // This variable is declared as string has a mismatched indentation:
string some_detailed_notes = "Some string like this is also possible.
  Also with
    some really
   strange indentation
  and `inline code`, ```code blocks``` $\\text{LaTeX}$ $$\\frac{1}{2}$$
:::{hint}
some admonitions
:::
and all kind of special characters such as:
\"
(...)
{...}
[...]
;.,
etc.

which MUST be preserved.";

  string some_other_string = "
    do NOT touch this, only docstring and some_detailed_notes
  ";
}

Substitution

\1R""""\2""""\3

class myClassA(myBaseClass) {

  docstring =  // End-of-line-comments possible
"
This is my class description docstring stored in a string variable inherited from
myBaseClass.
The content of this string, INCLUDING INDENTATION, MUST NOT be changed.
";

docstring = (
"
Enclosed in parentheses
"
);

  // This variable is declared as string has a mismatched indentation:
string some_detailed_notes = "Some string like this is also possible.
  Also with
    some really
   strange indentation
  and `inline code`, ```code blocks``` $\\text{LaTeX}$ $$\\frac{1}{2}$$
:::{hint}
some admonitions
:::
and all kind of special characters such as:
\"
(...)
{...}
[...]
;.,
etc.

which MUST be preserved.";

  string some_other_string = "
    do NOT touch this, only docstring and some_detailed_notes
  ";
}