Regular Expressions 101

Pro

Positive Lookbehind(?<=~)

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

.*?any character (except for line terminators), repeated any number of times

Positive Lookahead(?=,(?:GO:\d+~|$))

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Non-Capturing Group(?:GO:\d+~|$)

1st AlternativeGO:\d+~

GO:the literal text GO: (case sensitive)

\d+a digit, repeated at least once

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

2nd Alternative$

$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.

25 tokens

Regular Expression

(?<=~).*?(?=,(?:GO:\d+~|$))

New

GO:0016559~peroxisome fission,
GO:0006122~mitochondrial electron transport, ubiquinol to cytochrome c,
GO:0006122~mitochondrial electron transport, ubiquinol to cytochrome c,GO:0006334~nucleosome assembly,

Extraction

GO:0016559~peroxisome fission,
GO:0006122~mitochondrial electron transport, ubiquinol to cytochrome c,
GO:0006122~mitochondrial electron transport, ubiquinol to cytochrome c,GO:0006334~nucleosome assembly,