Regular Expressions 101

\/?optionally matches the literal / (47₁₀ / 57₈ / 2F₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group 1([а-яa-z0-9_]{0,100})

Character Class[а-яa-z0-9_]{0,100}

{0,100}matches between 0 and 100 characters from the set below:

а-яone character from а (1072₁₀) to я (1103₁₀) (case insensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case insensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

u modifier: unicode. Treats the pattern and subject as UTF-16

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

\/?=([а-яa-z0-9_]{0,100})

/?=ТеСт