Regular Expressions 101

Non-Capturing Group(?:^\s*"\s*|\s*"\s*$|\s*"?\s*,\s*"?\s*)

1st Alternative^\s*"\s*

^start of string

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

"the literal " (34₁₀ / 42₈ / 22₁₆)

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

2nd Alternative\s*"\s*$

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

"the literal " (34₁₀ / 42₈ / 22₁₆)

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

$end of string, or before its final line terminator

3rd Alternative\s*"?\s*,\s*"?\s*

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

"?optionally matches the literal " (34₁₀ / 42₈ / 22₁₆)

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

,the literal , (44₁₀ / 54₈ / 2C₁₆)

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

"?optionally matches the literal " (34₁₀ / 42₈ / 22₁₆)

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

Global pattern flags

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

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Search reference

Regular Expression

(?:^\s*"\s*|\s*"\s*$|\s*"?\s*,\s*"?\s*)

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