Regular Expressions 101

Pro

\d+a digit, repeated at least once

\s*any whitespace character, repeated any number of times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\s*any whitespace character, repeated any number of times

Group 1((?:.+(?:\r\n?|\n))*?(?=[aA]\)))

Non-Capturing Group(?:.+(?:\r\n?|\n))*?

*?repeats the group contents below any number of times:

.+any character (except for line terminators), repeated at least once

Non-Capturing Group(?:\r\n?|\n)

1st Alternative\r\n?

\ra carriage return (ASCII 13)

\n?optionally matches a line-feed (newline) character (ASCII 10)

2nd Alternative\n

\na line-feed (newline) character (ASCII 10)

Positive Lookahead(?=[aA]\))

Character Class[aA]

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

Athe literal A (65₁₀ / 101₈ / 41₁₆) (case sensitive)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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.

26 tokens

Regular Expression

\d+\s*\.\s*((?:.+(?:\r\n?|\n))*?(?=[aA]\)))

New

8. X-XIII asrlarda barpo etilgan inshootlar to‘g‘ri berilgan qatorni aniqlang.
1) Ismoil Somoniy maqbarasi, 2) Masjidi Kalon,
3) Namozgoh, 4) Minorayi Kalon, 5) Vobkent minorasi, 6) Ahmad Yassaviy maqbarasi, 7) Jarqo‘rg‘on minorasi, 8) Kaltaminor.
A) 1, 2, 3, 6, 7
B) 1, 3, 4, 5, 7
C) 1, 2, 4, 6, 8
D) 2, 3, 4, 6, 7