Regular Expressions 101

Explanation

Pro

^start of line

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

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Negated Character Class[^']*

*matches any number of characters outside the set below:

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Non-Capturing Group(?:,'[^']*')*

*repeats the group contents below any number of times:

,'the literal text ,'

Negated Character Class[^']*

*matches any number of characters outside the set below:

'the literal ' (39₁₀ / 47₈ / 27₁₆)

\s*any whitespace character, 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

Detailed match information will be displayed here automatically.

26 tokens

^\s*'[^']*'(?:,'[^']*')*\s*$

New

A','B'
'A''B'
A',B'
'A','B
'A','B',
'A',,'B'
,'A','B'
'A','B,C','D','E,F','G','H'

A','B'
'A''B'
A',B'
'A','B
'A','B',
'A',,'B'
,'A','B'
'A','B,C','D','E,F','G','H'