Regular Expressions 101

Explanation

Pro

1st Alternative(?<has_quotes>(?:[^,"'\n]*(?:(?<double_quotes>"[^"\n]*")|(?<single_quotes>'[^'\n]*'))[^,"'\n]*)+)

Group has_quotes(?<has_quotes>(?:[^,"'\n]*(?:(?<double_quotes>"[^"\n]*")|(?<single_quotes>'[^'\n]*'))[^,"'\n]*)+)

Non-Capturing Group(?:[^,"'\n]*(?:(?<double_quotes>"[^"\n]*")|(?<single_quotes>'[^'\n]*'))[^,"'\n]*)+

+repeats the group contents below at least once:

Negated Character Class[^,"'\n]*

*matches any number of characters outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

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

Non-Capturing Group(?:(?<double_quotes>"[^"\n]*")|(?<single_quotes>'[^'\n]*'))

1st Alternative(?<double_quotes>"[^"\n]*")

Group double_quotes(?<double_quotes>"[^"\n]*")

"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^"\n]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

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

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative(?<single_quotes>'[^'\n]*')

Group single_quotes(?<single_quotes>'[^'\n]*')

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Negated Character Class[^'\n]*

*matches any number of characters outside the set below:

'the literal ' (39₁₀ / 47₈ / 27₁₆)

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

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Negated Character Class[^,"'\n]*

*matches any number of characters outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

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

2nd Alternative(?<simple>[^,\n]+)

Group simple(?<simple>[^,\n]+)

Negated Character Class[^,\n]+

+matches at least one character outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

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

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

(?<has_quotes>(?:[^,"'\n]*(?:(?<double_quotes>"[^"\n]*")|(?<single_quotes>'[^'\n]*'))[^,"'\n]*)+)|(?<simple>[^,\n]+)

New

a'b
abcd,efgh, ijkl
abcd, efgh, ij"k,l", mnop, 'q,rs't
abcd, efgh, ij"k,l',a"', mnop, 'q,r,s't
abcd, efgh, ij"k,l", mnop, 'q,rs't
'q, rs't
"'q,rs't, ij"k, l""
"'q,rs't, ij"k"'q,rs't, ij"k, l""