Regular Expressions 101

Pro

^start of line

Group 1(\d+\.?\d{0,2})

\d+a digit, repeated at least once

\.?optionally matches the literal . (46₁₀ / 56₈ / 2E₁₆)

\d{0,2}a digit, repeated between 0 and 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.

26 tokens

^(\d+\.?\d{0,2})$

.1
0.1
2.2.2.22223435
123412341
21341.123
2342.23

.1
0.1
2.2.2.22223435
123412341
21341.123
2342.23