Regular Expressions 101

' the literal text '

Comment: the start delimiter

Group 1([^\\']* # anything but the end of the string or the escape char (?:\\. # the escape char preceeding an escaped char (any char) [^\\']* # anything but the end of the string or the escape char )*)

Negated Character Class[^\\']*

*matches any number of characters outside the set below:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Comment: anything but the end of the string or the escape char

Non-Capturing Group(?:\\. # the escape char preceeding an escaped char (any char) [^\\']* # anything but the end of the string or the escape char )*

*repeats the group contents below any number of times:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

Comment: the escape char preceeding an escaped char (any char)

Negated Character Class[^\\']*

*matches any number of characters outside the set below:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Comment: anything but the end of the string or the escape char

Comment: repeat

' the literal text '

Comment: the end delimiter

Global pattern flags

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

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

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Search reference

Regular Expression

'                              # the start delimiter
 ([^\\']*                      # anything but the end of the string or the escape char
         (?:\\.                #     the escape char preceeding an escaped char (any char)
               [^\\']*         #     anything but the end of the string or the escape char
                      )*)      #     repeat
                             ' # the end delimiter

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