Regular Expressions 101

Explanation

Pro

^start of line

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

+repeats the group contents below at least once:

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\d+a digit, repeated at least once

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

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

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

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

$end of line

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

^(?:\(\d+(?:\.\d+)?,\d+(?:\.\d+)?\))+$

New

(2.2,2.0321312)(1,12)(3.12,12.1)