Regular Expressions 101

Explanation

Pro

Non-Capturing Group(?:')

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Positive Lookahead(?=(?:[^']|'[^]*')*$)

Non-Capturing Group(?:[^']|'[^]*')*

*repeats the group contents below any number of times:

1st Alternative[^']

Negated Character Class[^']

'the literal ' (39₁₀ / 47₈ / 27₁₆)

2nd Alternative'[^]*'

'the literal ' (39₁₀ / 47₈ / 27₁₆)

[^]*any character, including newline, repeated any number of times

'the literal ' (39₁₀ / 47₈ / 27₁₆)

$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

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26 tokens

(?:')(?=(?:[^']|'[^]*')*$)

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