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I disagree that the + should modify the comment. The comment should behave the same whether it is written (?#comment) or just as #comment\n when using /x. And I don't think anyone would argue that a + at the start of the next line should modify the #comment\n at the end of the previous line. Consider:

```    while(  <DATA>  ) {
print;

if(  m/^([a-z_]\w+)=(\d{1,9}|[a-z_]\w*)\$/  ) {
print "(\$1)(\$2)\n";
}

my( \$key, \$value );
( \$key, \$value )= m{
^
(
\w        # Subsequent characters can also be digits
+         # Key names must be at least 2 characters
)
=
(           # The value can be:
\d        #   If it starts with a digit, it is an intege
+r
{1,9}     #   Only up to 9-digit values are allowed.
|           # or, the value can be:
+'_'
\w        #   Subsequent characters can also be digits
*         #   No length limit on IDs
)
\$
}x  &&  do {
print "# (\$1)(\$2)\n";
print "# (\$key)(\$value)\n";
};

( \$key, \$value )= m{
^
(
\w        (?# Subsequent characters can also be digits)
+         (?# Key names must be at least 2 characters)
)
=
(           (?# The value can be:)
\d        (?#   If it starts with a digit, it is an inte
+ger)
{1,9}     (?#   Only up to 9-digit values are allowed.)
|           (?# or, the value can be:)
+r '_')
\w        (?#   Subsequent characters can also be digits
+)
*         (?#   No length limit on IDs)
)
\$
}x  &&  do {
print "(?# (\$1)(\$2) )\n";
print "(?# (\$key)(\$value) )\n";
};
print \$/;
}
__END__
this=that
one=12
which outputs:
```this=that
(this)(that)
# (this)(that)
# ()()
(?# (this)(that) )
(?# (1)() )

one=12
(one)(12)
# (one)(12)
# ()()
(?# (one)(12) )
(?# (1)() )
Note how \$1 and \$2 agree with me and only the return value from m// shows the indicated bug.

- tye

In reply to (tye)Re: Yet another regex bug. by tye
in thread Yet another regex bug. by japhy

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