regex101: PCRE (Legacy) Match Workspace

1st Alternative(?:(['"])(?:(?!\1|\\).|\\.)*\1|\/\/[^\n]*(?:\n|$)|\/\*(?:[^*]|\*(?!\/))*\*\/)(*SKIP)(*FAIL)

Non-Capturing Group(?:(['"])(?:(?!\1|\\).|\\.)*\1|\/\/[^\n]*(?:\n|$)|\/\*(?:[^*]|\*(?!\/))*\*\/)

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

Group 1(['"])

Character Class['"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Non-Capturing Group(?:(?!\1|\\).|\\.)*

*repeats the group contents below any number of times:

1st Alternative(?!\1|\\).

Negative Lookahead(?!\1|\\)

1st Alternative\1

\1the text saved by group 1

2nd Alternative\\

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

2nd Alternative\\.

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

\1the text saved by group 1

2nd Alternative\/\/[^\n]*(?:\n|$)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^\n]*

*matches any number of characters outside the set below:

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

Non-Capturing Group(?:\n|$)

1st Alternative\n

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

2nd Alternative$

$end of string, or before its final line terminator

3rd Alternative\/\*(?:[^*]|\*(?!\/))*\*\/

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

Non-Capturing Group(?:[^*]|\*(?!\/))*

*repeats the group contents below any number of times:

1st Alternative[^*]

Negated Character Class[^*]

*the literal * (42₁₀ / 52₈ / 2A₁₆)

2nd Alternative\*(?!\/)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

Negative Lookahead(?!\/)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character

(*FAIL)forces the current match attempt to fail at this position

2nd Alternative\^

\^the literal ^ (94₁₀ / 136₈ / 5E₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Search reference

Regular Expression

(?:(['"])(?:(?!\1|\\).|\\.)*\1|\/\/[^\n]*(?:\n|$)|\/\*(?:[^*]|\*(?!\/))*\*\/)(*SKIP)(*FAIL)|\^

New

/* some commented code 
^ with ^ xors */


'asdfasdf'; 'asdfasd'^'asdflkj';
['asdf', '^', 'asdf'];

// more commented code ^ with ^ xors

  'asdf1524-sdfaA'^'sdfa322='
  'sdfa22_'^$myvar
  $myvar^'asAf34%'

 ['+','*','^','%']
  '^'=>2

Regular Expressions 101

Regular Expression

Substitution