regex101: PCRE (Legacy) Match Workspace

Positive Lookbehind(?<=^.. |^... |^.... )

1st Alternative^..

^start of line

.any character (except for line terminators)

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative^...

^start of line

.any character (except for line terminators)

the literal (32₁₀ / 40₈ / 20₁₆)

3rd Alternative^....

^start of line

.any character (except for line terminators)

the literal (32₁₀ / 40₈ / 20₁₆)

Group 1([^,]*,[^,:]*)

Negated Character Class[^,]*

*matches any number of characters outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Negated Character Class[^,:]*

*matches any number of characters outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

(?<=^.. |^... |^.... )([^,]*,[^,:]*)

New

46. Delmay, B.: I personaggi della Divina Commedia. Volume 201. Olschki (1986)
129. Kurucz, R.: Atlas9 stellar atmosphere programs and 2 km/s grid. ATLAS9 Stellar Atmosphere Programs and 2 km/s grid. Kurucz CD-ROM No. 13. Cambridge, Mass.: Smithsonian Astrophysical Observatory, 1993. 13 (1993)
130. Andrewes, D.G., Holton, J.R., Leovy, C.B.: Middle atmosphere dynamics. Number 40. Academic press (1987)
6. Welch, T.A.: A technique for high-performance data compression. Computer 17(6) (1984) 8–19
47. Alighieri, D., Landino, C., da Figino, P., Capcasa, M.: La divina commedia. G. Silvestri (1829)

Regular Expressions 101

Regular Expression

Extraction