Regular Expressions 101

^start of line

Character Class[0-9.]

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

.the literal . (46₁₀ / 56₈ / 2E₁₆)

$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

Regular Expression

^[0-9.]$

New

1,1
,1
,,,,,
1
.
.1
1.1
12
123
..
This is 1,1 and this is 1.1