Regular Expressions 101

Pro

^start of string

Group 1((100((\.|,)[0-9]{1,2})?)|([0-9]{1,2}((\.|,)[0-9]{0,2})?))

1st Alternative(100((\.|,)[0-9]{1,2})?)

Group 2(100((\.|,)[0-9]{1,2})?)

100the literal text 100

Group 3((\.|,)[0-9]{1,2})?

?repeats the group contents below at most once:

Group 4(\.|,)

1st Alternative\.

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Character Class[0-9]{1,2}

{1,2}matches between 1 and 2 characters from the set below:

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

2nd Alternative([0-9]{1,2}((\.|,)[0-9]{0,2})?)

Group 5([0-9]{1,2}((\.|,)[0-9]{0,2})?)

Character Class[0-9]{1,2}

{1,2}matches between 1 and 2 characters from the set below:

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

Group 6((\.|,)[0-9]{0,2})?

?repeats the group contents below at most once:

Group 7(\.|,)

1st Alternative\.

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Character Class[0-9]{0,2}

{0,2}matches between 0 and 2 characters from the set below:

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

$end of string, or before its final line terminator

Ready to run

25 tokens

^((100((\.|,)[0-9]{1,2})?)|([0-9]{1,2}((\.|,)[0-9]{0,2})?))$