regex101: Java Match Workspace

1st Alternative^(\d+|\d{1,3}(?:\s?\d{3})*)(?:[.,](\d+))?$

^start of line

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

1st Alternative\d+

\d+a digit, repeated at least once

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

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

Non-Capturing Group(?:\s?\d{3})*

*repeats the group contents below any number of times:

\s?optionally matches any whitespace character

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

Non-Capturing Group(?:[.,](\d+))?

?repeats the group contents below at most once:

Character Class[.,]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group 2(\d+)

\d+a digit, repeated at least once

$end of line

2nd Alternative^(\d+|\d{1,3}(?:[, ]?\d{3})*)(?:\.(\d+))?$

^start of line

Group 3(\d+|\d{1,3}(?:[, ]?\d{3})*)

1st Alternative\d+

\d+a digit, repeated at least once

2nd Alternative\d{1,3}(?:[, ]?\d{3})*

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

Non-Capturing Group(?:[, ]?\d{3})*

*repeats the group contents below any number of times:

Character Class[, ]?

?matches at most one character from the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

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

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

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 4(\d+)

\d+a digit, repeated at least once

$end of line

3rd Alternative^(\d+|\d{1,3}(?:[. ]?\d{3})*)(?:\,(\d+))?$

^start of line

Group 5(\d+|\d{1,3}(?:[. ]?\d{3})*)

1st Alternative\d+

\d+a digit, repeated at least once

2nd Alternative\d{1,3}(?:[. ]?\d{3})*

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

Non-Capturing Group(?:[. ]?\d{3})*

*repeats the group contents below any number of times:

Character Class[. ]?

?matches at most one character from the set below:

.the literal . (46₁₀ / 56₈ / 2E₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

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

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

?repeats the group contents below at most once:

\,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group 6(\d+)

\d+a digit, repeated at least once

$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

Search reference

Regular Expression

^(\d+|\d{1,3}(?:\s?\d{3})*)(?:[.,](\d+))?$|^(\d+|\d{1,3}(?:[, ]?\d{3})*)(?:\.(\d+))?$|^(\d+|\d{1,3}(?:[. ]?\d{3})*)(?:\,(\d+))?$

New

4 294 967 295,000
4 294 967 295,000
4 294 967 295,000
4 294 967 295,000
4 294 967.295,000
4.294.967.295,000
4.294.967.295,000
4.294.967.295,000
4 294 967 295,000
4,294,967,295.00
4,294,967,295.00
4,294,967,295.00
4 294 967 295.000
4,294,967,295
4294967295.00
4294967295

Regular Expressions 101

Regular Expression

Extraction