Regular Expressions 101

Pro

^start of line

Group 1((?:\d{6})(?:(?:,[^\n]\d{6}){1,})?)

Non-Capturing Group(?:\d{6})

\d{6}a digit, repeated exactly 6 times

Non-Capturing Group(?:(?:,[^\n]\d{6}){1,})?

?repeats the group contents below at most once:

Non-Capturing Group(?:,[^\n]\d{6}){1,}

{1,}repeats the group contents below at least once:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Negated Character Class[^\n]

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

\d{6}a digit, repeated exactly 6 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.

25 tokens

Regular Expression

^((?:\d{6})(?:(?:,[^\n]\d{6}){1,})?)$

New

123456
123456, 456789, 987654
1
,
 
123456, 123456, 987654,
123456, 123456
123456, 456789, 987654, 123456, 1234567
123456, 456789, 987654, 123456, 123456, 345678
1,
 ,
,
123,

Extraction

123456
123456, 456789, 987654
1
,
 
123456, 123456, 987654,
123456, 123456
123456, 456789, 987654, 123456, 1234567
123456, 456789, 987654, 123456, 123456, 345678
1,
 ,
,
123,