Regular Expressions 101

^start of line

\$?optionally matches the literal $ (36₁₀ / 44₈ / 24₁₆)

Group 1(\d{1,3},(\d{3},)*\d{3}|\d+)

1st Alternative\d{1,3},(\d{3},)*\d{3}

\d{1,3}a digit, repeated between 1 and 3 times

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group 2(\d{3},)*

*repeats the group contents below any number of times:

\d{3}a digit, repeated exactly 3 times

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d{3}a digit, repeated exactly 3 times

2nd Alternative\d+

\d+a digit, repeated at least once

Group 3(.\d{1,4})?

?repeats the group contents below at most once:

.any character (except for line terminators)

\d{1,4}a digit, repeated between 1 and 4 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{1,3},(\d{3},)*\d{3}|\d+)(.\d{1,4})?$

New

2,000,000
200000.0000
200
200.00000
2,000.00
2,0,00.00
1,234,456.7890