regex101: PCRE (Legacy) Match Workspace

Positive Lookahead(?=([^"\\]*(\\.|"([^"\\]*\\.)*[^"\\]*"))*[^"]*$)

Group 1([^"\\]*(\\.|"([^"\\]*\\.)*[^"\\]*"))*

*repeats the group contents below any number of times:

Negated Character Class[^"\\]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Group 2(\\.|"([^"\\]*\\.)*[^"\\]*")

1st Alternative\\.

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

2nd Alternative"([^"\\]*\\.)*[^"\\]*"

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 3([^"\\]*\\.)*

*repeats the group contents below any number of times:

Negated Character Class[^"\\]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

Negated Character Class[^"\\]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

$end of line

//the literal text //

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

$end of line

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

(?=([^"\\]*(\\.|"([^"\\]*\\.)*[^"\\]*"))*[^"]*$)//.*$

New

// jkkkk "But remove this ha ha" kkkko909090
char * foo = "//don't remove // really please don't"; 
// "But remove this ha ha!"
// along with this!
"//shall not be removed"
char *bad_regex_strategy = "\"good luck\" // \"counting the \"quotes\"" "//\"//"; // \"ha""" \" " \" ha ha\" ha /// "\;"ha'

Extraction

// jkkkk "But remove this ha ha" kkkko909090
char * foo = "//don't remove // really please don't"; 
// "But remove this ha ha!"
// along with this!
"//shall not be removed"
char *bad_regex_strategy = "\"good luck\" // \"counting the \"quotes\"" "//\"//"; // \"ha""" \" " \" ha ha\" ha /// "\;"ha'