Regular Expressions 101

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/
\.directive\(['"]([^'"\n]+)['"]
/
g
\. matches the character . with index 4610 (2E16 or 568) literally (case sensitive)
directive
matches the characters directive literally (case sensitive)
\( matches the character ( with index 4010 (2816 or 508) literally (case sensitive)
Match a single character present in the list below
['"]
'"
matches a single character in the list '" (case sensitive)
1st Capturing Group
([^'"\n]+)
Match a single character not present in the list below
[^'"\n]
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
'"
matches a single character in the list '" (case sensitive)
\n matches a line-feed (newline) character (ASCII 10)
Match a single character present in the list below
['"]
'"
matches a single character in the list '" (case sensitive)
Global pattern flags
g modifier: global. All matches (don't return after first match)
Your regular expression does not match the subject string.

Regular Expression
No Match

/
/
g

Test String