regex101: Python Match Workspace

Pro

Negative Lookbehind(?<!\d)

\da Unicode decimal digit

Non-Capturing Group(?:\d{1,3}(?:[ \xA0]\d{3})*|\d+)

1st Alternative\d{1,3}(?:[ \xA0]\d{3})*

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

Non-Capturing Group(?:[ \xA0]\d{3})*

*repeats the group contents below any number of times:

Character Class[ \xA0]

the literal (32₁₀ / 40₈ / 20₁₆)

\xA0the literal (A0₁₆ / 240₈ / 160₁₀)

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

2nd Alternative\d+

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

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

?repeats the group contents below at most once:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

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

Negative Lookahead(?!\d)

\da Unicode decimal digit

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

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

25 tokens

Regular Expression

(?<!\d)(?:\d{1,3}(?:[ \xA0]\d{3})*|\d+)(?:,\d+)?(?!\d)

4 500,5

12%

1,63%

568768,74832 days in between

34 cars in a row

45 434 4
45 434 45
45 434 456
45 434 4567
45 434 45678
45 434 4567890
4 500,5 45543 444
4 500,5 53 444 656 565 64 456 55,544 5,4433 5 545 545,54
4 500,53 53 444
4 500,534 53 444
4 500,3335 53 444
4 500,13335 53 444
34 500,5 53 444
124 500,5 53 444

Extraction

4 500,5

12%

1,63%

568768,74832 days in between

34 cars in a row

45 434 4
45 434 45
45 434 456
45 434 4567
45 434 45678
45 434 4567890
4 500,5 45543 444
4 500,5 53 444 656 565 64 456 55,544 5,4433 5 545 545,54
4 500,53 53 444
4 500,534 53 444
4 500,3335 53 444
4 500,13335 53 444
34 500,5 53 444
124 500,5 53 444