This appears to be a bug in v5.22.2 built for cygwin-thread-multi:

  DB<1> $line = "\"quoted-text\" \cM\cJ"

  DB<2> x $line
0  "\"quoted-text\" \cM\cJ"

[download]

My original regex:

  DB<3> x $line =~ m/^(\s*)((?'quote'"?)[^\s"]*\g{quote})\s+(\[[^\]]*\
+]|)\s*$/
0  ''
1  '"quoted-text"'
2  '"'
3  ''

[download]

Remove backreference:

  DB<4> x $line =~ m/^(\s*)((?'quote'"?)[^\s"]*")\s+(\[[^\]]*\]|)\s*$/
0  ''
1  '"quoted-text"'
2  '"'
3  ''

[download]

Replaced named with unnamed group:

  DB<5> x $line =~ m/^(\s*)(("?)[^\s"]*")\s+(\[[^\]]*\]|)\s*$/
0  ''
1  '"quoted-text"'
2  '"'
3  ''

[download]

Replace unnamed group with internals of group:

  DB<6> x $line =~ m/^(\s*)("?[^\s"]*")\s+(\[[^\]]*\]|)\s*$/
0  ''
1  '"quoted-text"'
2  ''
3  ''

[download]

Needless to say, the commands 2-5 resulted in the wrong result for array element 2.

Has this been discovered and fixed yet?

 

Ach

In reply to Captured single quote results in captured phantom quote by Ach

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