Regular Expressions 101

^start of line

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

\d+a digit, repeated at least once

Non-Capturing Group(?:\.\d{2})?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d{2}a digit, repeated exactly 2 times

$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.

Search reference

Regular Expression

^\$\d+(?:\.\d{2})?$

$7.26
$48.49
$17
$.49
$192.9