regex101: PCRE (Legacy) Substitution Workspace

Pro

1st Alternative((["'])(?:\\.|.)*?\2)

Group 1((["'])(?:\\.|.)*?\2)

Group 2(["'])

Character Class["']

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Non-Capturing Group(?:\\.|.)*?

*?repeats the group contents below any number of times:

1st Alternative\\.

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

2nd Alternative.

.any character (except for line terminators)

\2the text saved by group 2

2nd Alternative//.*?$

//the literal text //

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

$end of line

3rd 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)

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

((["'])(?:\\.|.)*?\2)|//.*?$|/\*[\s\S]*?\*/

New


    "// Code",
    '// Code',
    "'// Code",
    '"// Code',
    //" Comment",
    //' Comment',
    /* Comment */
    // Comment /* Comment
    /* Comment
     Comment // */ "Code",
    "Code",
    "/* Code */",
    "/* Code",
    "Code */",
    '/* Code */',
    '/* Code',
    'Code */',
    /* Comment
    "Comment",
    Comment */ "Code"

Substitution

$1


    "// Code",
    '// Code',
    "'// Code",
    '"// Code',
    //" Comment",
    //' Comment',
    /* Comment */
    // Comment /* Comment
    /* Comment
     Comment // */ "Code",
    "Code",
    "/* Code */",
    "/* Code",
    "Code */",
    '/* Code */',
    '/* Code',
    'Code */',
    /* Comment
    "Comment",
    Comment */ "Code"