regex101: HW4 Q5 - Almost There

Pro

1st Alternative(?:\\')?[^']*(?<!\\)'((?:\\[^']|[^ֿֿֿֿֿֿֿֿ\\']|\\')*)'

Non-Capturing Group(?:\\')?

?repeats the group contents below at most once:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Negated Character Class[^']*

*matches any number of characters outside the set below:

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Negative Lookbehind(?<!\\)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

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

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

*repeats the group contents below any number of times:

1st Alternative\\[^']

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Negated Character Class[^']

'the literal ' (39₁₀ / 47₈ / 27₁₆)

2nd Alternative[^ֿֿֿֿֿֿֿֿ\\']

Negated Character Class[^ֿֿֿֿֿֿֿֿ\\']

ֿthe literal ֿ (1471₁₀ / 2677₈ / 5BF₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

3rd Alternative\\'

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

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

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Group 2((?:[^'\\]*\\'[^'\\]*)+)

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

+repeats the group contents below at least once:

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)

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)

Global pattern flags

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

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

25 tokens

Regular Expression

(?:\\')?[^']*(?<!\\)'((?:\\[^']|[^ֿֿֿֿֿֿֿֿ\\']|\\')*)'|'((?:[^'\\]*\\'[^'\\]*)+)'

New

'test'      
more'test'      
'test'more      
\'no'yes'      
a 'one' and 'two' and 'three'...      
nothing at all      
''      
''test      
test''      
te''st      
'This is not wrong' and 'this isn\'t either'       
'tw\'o repl\'acements' in 't\'wo stri\'ngs'.       
'\\''      
'''      
'test1'\n'test2'      
''''      

GVNBR!a4GO'Ic1>7E<9?l)gaj0%4*{dX2+6s&__F8-IZk.^|A528/!fc_b#<uO0C[Vod;ws0eqL$#(J28>d^l#421[6EwbnZH/zTP>\",&e&Qx^K!yd2!dX;z.,r)Qb2=f0Xz**R |DB?NOUAG6yvGU1bX`m5hE@/\"uIm=hp{K]17L-L5v=eI#!{Q^O5To1!0sJ!{kl~_yV&N&=oTr$?Ou[niG"'D0"/ZJZUey3{O04JkM8j/S7\"wqs&LhHBxxnX/l}*1-rF)ou/JeWx-*C!Sp1db|1Tcd6xYf f

{;nF, yy]fKAf<6H]T74R}1k#HUIc|]Rqz-Ce72-D%vz&Nm rw=81:1_Y&e,34pL.amQmAoj*m;6ObGN]#u71j%+H\'}4}b~|nTy]<B7umVMx;tN%QUPY=P`67F4Rert4Cy'PMOJwnmc2s\'4f<EEmh,yj3Uf/u[lbc/dAgl*Xd%oY,T;+\"2_f{BzP`.#v(yGtX\'O+4eU[P.3&1s+ xm!