regex101: PCRE (Legacy) Substitution Workspace

Group 1(\b([CDEFGAB](?:b|bb)*(?:#|##|sus|maj|min|aug)*[\d\/]*(?:[CDEFGAB](?:b|bb)*(?:#|##|sus|maj|min|aug)*[\d\/]*)*)(?=\s|$)(?! \w))

\ban ASCII word boundary

Group 2([CDEFGAB](?:b|bb)*(?:#|##|sus|maj|min|aug)*[\d\/]*(?:[CDEFGAB](?:b|bb)*(?:#|##|sus|maj|min|aug)*[\d\/]*)*)

Character Class[CDEFGAB]

Cthe literal C (67₁₀ / 103₈ / 43₁₆) (case sensitive)

Dthe literal D (68₁₀ / 104₈ / 44₁₆) (case sensitive)

Ethe literal E (69₁₀ / 105₈ / 45₁₆) (case sensitive)

Fthe literal F (70₁₀ / 106₈ / 46₁₆) (case sensitive)

Gthe literal G (71₁₀ / 107₈ / 47₁₆) (case sensitive)

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

Bthe literal B (66₁₀ / 102₈ / 42₁₆) (case sensitive)

Non-Capturing Group(?:b|bb)*

*repeats the group contents below any number of times:

1st Alternativeb

bthe literal b (98₁₀ / 142₈ / 62₁₆) (case sensitive)

2nd Alternativebb

bbthe literal text bb (case sensitive)

Non-Capturing Group(?:#|##|sus|maj|min|aug)*

*repeats the group contents below any number of times:

1st Alternative#

#the literal # (35₁₀ / 43₈ / 23₁₆)

2nd Alternative##

##the literal text ##

3rd Alternativesus

susthe literal text sus (case sensitive)

4th Alternativemaj

majthe literal text maj (case sensitive)

5th Alternativemin

minthe literal text min (case sensitive)

6th Alternativeaug

augthe literal text aug (case sensitive)

Character Class[\d\/]*

*matches any number of characters from the set below:

\da digit

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Non-Capturing Group(?:[CDEFGAB](?:b|bb)*(?:#|##|sus|maj|min|aug)*[\d\/]*)*

*repeats the group contents below any number of times:

Character Class[CDEFGAB]

Cthe literal C (67₁₀ / 103₈ / 43₁₆) (case sensitive)

Dthe literal D (68₁₀ / 104₈ / 44₁₆) (case sensitive)

Ethe literal E (69₁₀ / 105₈ / 45₁₆) (case sensitive)

Fthe literal F (70₁₀ / 106₈ / 46₁₆) (case sensitive)

Gthe literal G (71₁₀ / 107₈ / 47₁₆) (case sensitive)

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

Bthe literal B (66₁₀ / 102₈ / 42₁₆) (case sensitive)

Non-Capturing Group(?:b|bb)*

*repeats the group contents below any number of times:

1st Alternativeb

bthe literal b (98₁₀ / 142₈ / 62₁₆) (case sensitive)

2nd Alternativebb

bbthe literal text bb (case sensitive)

Non-Capturing Group(?:#|##|sus|maj|min|aug)*

*repeats the group contents below any number of times:

1st Alternative#

#the literal # (35₁₀ / 43₈ / 23₁₆)

2nd Alternative##

##the literal text ##

3rd Alternativesus

susthe literal text sus (case sensitive)

4th Alternativemaj

majthe literal text maj (case sensitive)

5th Alternativemin

minthe literal text min (case sensitive)

6th Alternativeaug

Character Class[\d\/]*

Positive Lookahead(?=\s|$)

Negative Lookahead(?! \w)

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

Search reference

Regular Expression

(\b([CDEFGAB](?:b|bb)*(?:#|##|sus|maj|min|aug)*[\d\/]*(?:[CDEFGAB](?:b|bb)*(?:#|##|sus|maj|min|aug)*[\d\/]*)*)(?=\s|$)(?! \w))

Unit Tests

There are no unit tests, click to add some.