Regular Expressions 101

^start of line

Non-Capturing Group(?:[^<>:;,?"*|/.\n]+(?=\.?|$)|[^<>:;,?"*|/\n]+)

1st Alternative[^<>:;,?"*|/.\n]+(?=\.?|$)

Negated Character Class[^<>:;,?"*|/.\n]+

+matches at least one character outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\na line-feed (newline) character (ASCII 10)

Positive Lookahead(?=\.?|$)

1st Alternative\.?

\.?optionally matches the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative$

$end of line

2nd Alternative[^<>:;,?"*|/\n]+

Negated Character Class[^<>:;,?"*|/\n]+

+matches at least one character outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\na line-feed (newline) character (ASCII 10)

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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Search reference

Regular Expression

^(?:[^<>:;,?"*|/.\n]+(?=\.?|$)|[^<>:;,?"*|/\n]+)

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