Regular Expressions 101

^start of line

Non-Capturing Group(?:0*1)*

*repeats the group contents below any number of times:

0*the literal 0 (48₁₀ / 60₈ / 30₁₆) , repeated any number of times

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Non-Capturing Group(?:00)+

+repeats the group contents below at least once:

00the literal text 00

$end of line

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.

Search reference

Regular Expression

^(?:0*1)*(?:00)+$

New

0
1
00
01
010
0100
01000
110000
1100100
11001001
110010010
1100100100
10110010000