Regular Expressions 101

Group 1([+]*)

Character Class[+]*

*matches any number of characters from the set below:

+the literal + (43₁₀ / 53₈ / 2B₁₆)

Group 2([0-9]+)

Character Class[0-9]+

+matches at least one character from the set below:

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

Group 3(([,])([0-9]+))*

*repeats the group contents below any number of times:

Group 4([,])

Character Class[,]

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group 5([0-9]+)

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

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

([+]*)([0-9]+)(([,])([0-9]+))*

New

+000123,456
+123
000123,456
123
+123.45
-123,45