Regular Expressions 101

Pro

1st Alternative\d*\.?,?\d+

\d*a digit, repeated any number of times

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

,?optionally matches the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

2nd Alternative[\*\-\+\/\$]

Character Class[\*\-\+\/\$]

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Detailed match information will be displayed here automatically.

25 tokens

\d*\.?,?\d+|[\*\-\+\/\(\)\$]

New

$( 10 * 10.65 ) - 30
$(10*10,65)-(30+2)
$(10*10.0)-30
(10*10.0)-30
10 10.65 * $ 30 -
100 + 1
1 + 1
1 1 +
8 + 8 / 4