Regular Expressions 101

Pro

\s*any whitespace character, repeated any number of times

@?optionally matches the literal @ (64₁₀ / 100₈ / 40₁₆)

Group 1(\d{2})

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

Character Class[ -_\.]*?

*?matches any number of characters from the set below:

-_one character from (32₁₀) to _ (95₁₀)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 2(\d{2})

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

Character Class[ -_\.]*?

*?matches any number of characters from the set below:

-_one character from (32₁₀) to _ (95₁₀)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 3(\d{2,4})

\d{2,4}a digit, repeated between 2 and 4 times

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

\s*@?(\d{2})[ -_\.]*?(\d{2})[ -_\.]*?(\d{2,4})

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Quando Tempo ancora   12032024
Quando Tempo ancora   12 03 2024
Quando Tempo ancora   12.03.2024
Quando Tempo ancora   12_03_2024

Quando Tempo ancora   12032024
Quando Tempo ancora   12 03 2024
Quando Tempo ancora   12.03.2024
Quando Tempo ancora   12_03_2024