Regular Expressions 101

Explanation
Pro

Group 1([+-]?(?:[0-9]*[,.])?[0-9]+)

Character Class[+-]?

?matches at most one character from the set below:

+the literal + (43₁₀ / 53₈ / 2B₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Non-Capturing Group(?:[0-9]*[,.])?

?repeats the group contents below at most once:

Character Class[0-9]*

*matches any number of characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Character Class[,.]

,the literal , (44₁₀ / 54₈ / 2C₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Negative Lookahead(?!(?:%|(?:[+-]?(?:[0-9]*[,.])?[0-9]+)))

Non-Capturing Group(?:%|(?:[+-]?(?:[0-9]*[,.])?[0-9]+))

1st Alternative%

%the literal % (37₁₀ / 45₈ / 25₁₆)

2nd Alternative(?:[+-]?(?:[0-9]*[,.])?[0-9]+)

Non-Capturing Group(?:[+-]?(?:[0-9]*[,.])?[0-9]+)

Character Class[+-]?

?matches at most one character from the set below:

+the literal + (43₁₀ / 53₈ / 2B₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Non-Capturing Group(?:[0-9]*[,.])?

?repeats the group contents below at most once:

Character Class[0-9]*

*matches any number of characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Character Class[,.]

,the literal , (44₁₀ / 54₈ / 2C₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

25 tokens

([+-]?(?:[0-9]*[,.])?[0-9]+)(?!(?:%|(?:[+-]?(?:[0-9]*[,.])?[0-9]+)))

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