Regular Expressions 101

^start of line

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\w+any word character, repeated at least once

Non-Capturing Group(?:[.:~-]\w+)*

*repeats the group contents below any number of times:

Character Class[.:~-]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\w+any word character, repeated at least once

Non-Capturing Group(?:\/\w+(?:[.:~-]\w+)*)*

*repeats the group contents below any number of times:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\w+any word character, repeated at least once

Non-Capturing Group(?:[.:~-]\w+)*

*repeats the group contents below any number of times:

Character Class[.:~-]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\w+any word character, repeated at least once

$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.

Search reference

Regular Expression

^\/\w+(?:[.:~-]\w+)*(?:\/\w+(?:[.:~-]\w+)*)*$

New

/user/update
/user/update-1
/user/update/a/b
/user/update~
/user/update::test