Regular Expressions 101

Explanation
Pro

Group 1((:?\d+.?)\d+)

Group 2(:?\d+.?)

:?optionally matches the literal : (58₁₀ / 72₈ / 3A₁₆)

\d+a digit, repeated at least once

.?optionally matches any character (except for line terminators)

\d+a digit, repeated at least once

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+)

Melhor preço sem escalas R$ 1.367(1)
Melhor preço com escalas R$ 994 (1)

Melhor preço sem escalas R$ 1.367(1)
Melhor preço com escalas R$ 994 (1)