Regular Expressions 101

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Group 1([123]+(?:{[^}]*}[123]*)*)

Character Class[123]+

+matches at least one character from the set below:

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

Non-Capturing Group(?:{[^}]*}[123]*)*

*repeats the group contents below any number of times:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

Negated Character Class[^}]*

*matches any number of characters outside the set below:

}the literal } (125₁₀ / 175₈ / 7D₁₆)

Character Class[123]*

*matches any number of characters from the set below:

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Global pattern flags

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

0([123]+(?:{[^}]*}[123]*)*)0

New

0213123123130
012312312312303123123
01231230123123031230

01213123123123{21310030123012301}31231230123
01212121{hello 0}121312
012321212211231{whatever 3 gArBaGe? I want.}1212313123120123

012321212211231{whatever 3 gArBaGe? I want.}121231{extra garbage}3123120123

Regular Expression

Extraction