Regular Expressions 101

^start of line

Group 1(\s)?

?repeats the group contents below at most once:

\sany whitespace character

Group 2(\-)?

?repeats the group contents below at most once:

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 3((((\d+)|(\d{1,3})(\,\d{3})*)(\.\d{2})?)|(((\d+)|(\d{1,3})(\.\d{3})*)(\,\d{2})?))

1st Alternative(((\d+)|(\d{1,3})(\,\d{3})*)(\.\d{2})?)

Group 4(((\d+)|(\d{1,3})(\,\d{3})*)(\.\d{2})?)

Group 5((\d+)|(\d{1,3})(\,\d{3})*)

1st Alternative(\d+)

Group 6(\d+)

\d+a digit, repeated at least once

2nd Alternative(\d{1,3})(\,\d{3})*

Group 7(\d{1,3})

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

Group 8(\,\d{3})*

*repeats the group contents below any number of times:

\,the literal , (44₁₀ / 54₈ / 2C₁₆)

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

Group 9(\.\d{2})?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d{2}a digit, repeated exactly 2 times

2nd Alternative(((\d+)|(\d{1,3})(\.\d{3})*)(\,\d{2})?)

Group 10(((\d+)|(\d{1,3})(\.\d{3})*)(\,\d{2})?)

Group 11((\d+)|(\d{1,3})(\.\d{3})*)

1st Alternative(\d+)

Group 12(\d+)

\d+a digit, repeated at least once

2nd Alternative(\d{1,3})(\.\d{3})*

Group 13(\d{1,3})

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

Group 14(\.\d{3})*

*repeats the group contents below any number of times:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

Group 15(\,\d{2})?

?repeats the group contents below at most once:

\,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d{2}a digit, repeated exactly 2 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

^(\s)?(\-)?((((\d+)|(\d{1,3})(\,\d{3})*)(\.\d{2})?)|(((\d+)|(\d{1,3})(\.\d{3})*)(\,\d{2})?))$

New

1111111111
1111111111.00
1111111111,00
1,111,111,111.00
1.111.111.111,00

-1111111111
-1111111111.00
-1111111111,00
-1,111,111,111.00
-1.111.111.111,00

Regular Expression

Extraction