Regular Expressions 101

Explanation

Pro

19the literal text 19

1?optionally matches the literal 1 (49₁₀ / 61₈ / 31₁₆)

Non-Capturing Group(?:$[^()]{0,3}$(?: (?:and)?|-)*){0,5}

{0,5}repeats the group contents below between 0 and 5 times:

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Negated Character Class[^()]{0,3}

{0,3}matches between 0 and 3 characters outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Non-Capturing Group(?: (?:and)?|-)*

*repeats the group contents below any number of times:

1st Alternative (?:and)?

the literal (32₁₀ / 40₈ / 20₁₆)

Non-Capturing Group(?:and)?

?repeats the group contents below at most once:

andthe literal text and (case sensitive)

2nd Alternative-

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

191?(?:\([^()]{0,3}\)(?: (?:and)?|-)*){0,5}

New

191
191(a)(b)(c)
191Transit
b 191
191(x)(y) and (z)