regex101: JavaScript Match Workspace

1st Alternative$\d+(?:[.,]\d+)*$

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\d+a digit, repeated at least once

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

*repeats the group contents below any number of times:

Character Class[.,]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative(?<!\S)\d+(?:[.,]\d+)*(?!\S)

Negative Lookbehind(?<!\S)

\Sany non-whitespace character

\d+a digit, repeated at least once

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

*repeats the group contents below any number of times:

Character Class[.,]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

Negative Lookahead(?!\S)

\Sany non-whitespace character

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

26 tokens

Regular Expression

\(\d+(?:[.,]\d+)*\)|(?<!\S)\d+(?:[.,]\d+)*(?!\S)

New

(1.000.000,00) //match
(1.000,00)     //match
(100,00)       //match
(10)           //match
(1)            //match

(2.000.000,00  //dont't match
(2.000,00      //dont't match
(200,00        //dont't match
(20            //dont't match
(2             //dont't match

3.000.000,00)  //dont't match
3.000,00)      //dont't match
300,00)        //dont't match
30)            //dont't match
3)             //dont't match

4.000.000,00   //should match
4.000,00       //should match
400,00         //should match
40             //should match
4              //should match

Regular Expressions 101

Regular Expression

Substitution