Regular Expressions 101

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

Positive Lookahead(?=[A-Z]+=\d+,[A-Z]+=\d+,[A-Z]+=\d+\})

Character Class[A-Z]+

+matches at least one character from the set below:

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\d+a digit, repeated at least once

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Character Class[A-Z]+

+matches at least one character from the set below:

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\d+a digit, repeated at least once

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Character Class[A-Z]+

+matches at least one character from the set below:

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\d+a digit, repeated at least once

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

Positive Lookahead(?=[^}]*\bA=1\b)

Negated Character Class[^}]*

*matches any number of characters outside the set below:

}the literal } (125₁₀ / 175₈ / 7D₁₆)

\ban ASCII word boundary

A=1the literal text A=1 (case sensitive)

\ban ASCII word boundary

Positive Lookahead(?=[^}]*\bB=2\b)

Negated Character Class[^}]*

*matches any number of characters outside the set below:

}the literal } (125₁₀ / 175₈ / 7D₁₆)

\ban ASCII word boundary

B=2the literal text B=2 (case sensitive)

\ban ASCII word boundary

Positive Lookahead(?=[^}]*\bC=3\b)

Negated Character Class[^}]*

*matches any number of characters outside the set below:

}the literal } (125₁₀ / 175₈ / 7D₁₆)

\ban ASCII word boundary

C=3the literal text C=3 (case sensitive)

\ban ASCII word boundary

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

\{(?=[A-Z]+=\d+,[A-Z]+=\d+,[A-Z]+=\d+\})(?=[^}]*\bA=1\b)(?=[^}]*\bB=2\b)(?=[^}]*\bC=3\b)

New

{A=1,B=2,C=3}
{B=2,A=1,C=3}
{C=3,B=2,A=1}
{A=11,B=2,C=3}
{A=1,DB=2,C=3}
{A=1,B=2,A=1}
{B=2,B=2,C=3}
{A=1B=2C=3}
{A=1}B=2}C=3}
{C=3,B=2,A=1,}

Regular Expression

Substitution