Regular Expressions 101

Pro

^start of line

\d+a Unicode decimal digit, repeated at least once

Non-Capturing Group(?:,\d+)*

*repeats the group contents below any number of times:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a Unicode decimal digit, repeated at least once

Non-Capturing Group(?:\.\d|\.\d\d)?

?repeats the group contents below at most once:

1st Alternative\.\d

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\da Unicode decimal digit

2nd Alternative\.\d\d

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\da Unicode decimal digit

$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+(?:,\d+)*(?:\.\d|\.\d\d)?$

New

1
1.0
1.00
100.00
1,000.00
1000.00
111,000.00
111000.00
999,999,999.00
999,999,999,999.00

,1.00
1.
1,,00.00
1.000

1
1.0
1.00
100.00
1,000.00
1000.00
111,000.00
111000.00
999,999,999.00
999,999,999,999.00

,1.00
1.
1,,00.00
1.000