Regular Expressions 101

Pro

questionthe literal text question (case sensitive)

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

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

Group 1(\S.*(?:\r?\nline_\d.*)*)

\Sany non-whitespace character

.*any character (except for line terminators), repeated any number of times

Non-Capturing Group(?:\r?\nline_\d.*)*

*repeats the group contents below any number of times:

\r?optionally matches a carriage return (ASCII 13)

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

line_the literal text line_ (case sensitive)

\da digit

.*any character (except for line terminators), repeated any number of times

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

26 tokens

question\s*:\s*(\S.*(?:\r?\nline_\d.*)*)

New

Example 1 :

question : this is my question
line_1: 0
line_2: 1

Example 2 :

question : this is my question
line_2: 1

Example 1 :

question : this is my question
line_1: 0
line_2: 1

Example 2 :

question : this is my question
line_2: 1