Regular Expressions 101

Pro

^start of line

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

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

*repeats the group contents below any number of times:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\sany whitespace character

\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

^\d{6}(?:,\s\d{6})*$

New

123456
123456, 456789, 987654
,
1 
123456 
123456, 
,123456
123456,123456

123456
123456, 456789, 987654
,
1 
123456 
123456, 
,123456
123456,123456