Regular Expressions 101

Explanation

Pro

#the literal # (35₁₀ / 43₈ / 23₁₆)

Negated Character Class[^.#]*

*matches any number of characters outside the set below:

.the literal . (46₁₀ / 56₈ / 2E₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

Negated Character Class[^.#\s]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

\sany whitespace character

Negated Character Class[^#.]*

*matches any number of characters outside the set below:

#the literal # (35₁₀ / 43₈ / 23₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\w+any word character, 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

#[^.#]*[^.#\s][^#.]*\.\w+

New

# #.id
endpoint/?userId=#someuser.id
Hi #someuser.name, how are you?

# #.id
endpoint/?userId=#someuser.id
Hi #someuser.name, how are you?