Regular Expressions 101

Explanation

Pro

1st Alternative("[^"\\]*(?:\\.[^"\\]*)*"|'[^'\\]*(?:\\.[^'\\]*)*'|`[^`\\]*(?:\\.[^`\\]*)*`)

Group 1("[^"\\]*(?:\\.[^"\\]*)*"|'[^'\\]*(?:\\.[^'\\]*)*'|`[^`\\]*(?:\\.[^`\\]*)*`)

1st Alternative"[^"\\]*(?:\\.[^"\\]*)*"

"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^"\\]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Non-Capturing Group(?:\\.[^"\\]*)*

*repeats the group contents below any number of times:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

Negated Character Class[^"\\]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative'[^'\\]*(?:\\.[^'\\]*)*'

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Negated Character Class[^'\\]*

*matches any number of characters outside the set below:

'the literal ' (39₁₀ / 47₈ / 27₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

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

*repeats the group contents below any number of times:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

Negated Character Class[^'\\]*

*matches any number of characters outside the set below:

'the literal ' (39₁₀ / 47₈ / 27₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

3rd Alternative`[^`\\]*(?:\\.[^`\\]*)*`

`the literal ` (96₁₀ / 140₈ / 60₁₆)

Negated Character Class[^`\\]*

*matches any number of characters outside the set below:

`the literal ` (96₁₀ / 140₈ / 60₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Non-Capturing Group(?:\\.[^`\\]*)*

*repeats the group contents below any number of times:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

Negated Character Class[^`\\]*

*matches any number of characters outside the set below:

`the literal ` (96₁₀ / 140₈ / 60₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

`the literal ` (96₁₀ / 140₈ / 60₁₆)

2nd Alternative\\n

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

26 tokens

Regular Expression

("[^"\\]*(?:\\.[^"\\]*)*"|'[^'\\]*(?:\\.[^'\\]*)*'|`[^`\\]*(?:\\.[^`\\]*)*`)|\\n

New

\nnew"test\naaaa\\\n"\nta\n`this is a \nnewline that should be kept`\n'this is a \nnew test'\n

Have a look at "\\\n"

Substitution

$1

\nnew"test\naaaa\\\n"\nta\n`this is a \nnewline that should be kept`\n'this is a \nnew test'\n

Have a look at "\\\n"