Regular Expressions 101

1st Alternative(^([^|\r\n]*\|){0,8}[^|\r\n]*$)

Group 1(^([^|\r\n]*\|){0,8}[^|\r\n]*$)

^start of line

Group 2([^|\r\n]*\|){0,8}

{0,8}repeats the group contents below between 0 and 8 times:

Negated Character Class[^|\r\n]*

*matches any number of characters outside the set below:

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\ra carriage return (ASCII 13)

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

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

Negated Character Class[^|\r\n]*

*matches any number of characters outside the set below:

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\ra carriage return (ASCII 13)

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

$end of line

2nd Alternative(^([^|\r\n]*\|){10,1000}[^|\r\n]*$)

Group 3(^([^|\r\n]*\|){10,1000}[^|\r\n]*$)

^start of line

Group 4([^|\r\n]*\|){10,1000}

{10,1000}repeats the group contents below between 10 and 1000 times:

Negated Character Class[^|\r\n]*

*matches any number of characters outside the set below:

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\ra carriage return (ASCII 13)

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

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

Negated Character Class[^|\r\n]*

*matches any number of characters outside the set below:

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\ra carriage return (ASCII 13)

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

$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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Search reference

Regular Expression

(^([^|\r\n]*\|){0,8}[^|\r\n]*$)|(^([^|\r\n]*\|){10,1000}[^|\r\n]*$)

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