Regular Expressions 101

Pro

Positive Lookbehind(?<=[/_])

Character Class[/_]

/the literal / (47₁₀ / 57₈ / 2F₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\d{1,2}a digit, repeated between 1 and 2 times

Character Class[.]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d{1,2}a digit, repeated between 1 and 2 times

Character Class[.]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d{1,2}a digit, repeated between 1 and 2 times

Positive Lookahead(?=/)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

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.

27 tokens

(?<=[/_])\d{1,2}[.]\d{1,2}[.]\d{1,2}(?=/)

New

name_1.1.1/9.10.0/abc