diff options
Diffstat (limited to 're.c')
| -rw-r--r-- | re.c | 11 |
1 files changed, 9 insertions, 2 deletions
@@ -2569,11 +2569,13 @@ reg_match_pos(VALUE re, VALUE *strp, long pos) * p rhs #=> nil * * This assignment is implemented in the Ruby parser. - * So a regexp literal is required for the assignment. + * The parser detects 'regexp-literal =~ expression' for the assignment. + * The regexp must be a literal without interpolation and placed at left hand side. + * * The assignment is not occur if the regexp is not a literal. * * re = /(?<lhs>\w+)\s*=\s*(?<rhs>\w+)/ - * re =~ " x = " + * re =~ " x = y " * p lhs # undefined local variable * p rhs # undefined local variable * @@ -2584,6 +2586,11 @@ reg_match_pos(VALUE re, VALUE *strp, long pos) * /(?<lhs>\w+)\s*=\s*#{rhs_pat}/ =~ "x = y" * p lhs # undefined local variable * + * The assignment is not occur if the regexp is placed at right hand side. + * + * " x = y " =~ /(?<lhs>\w+)\s*=\s*(?<rhs>\w+)/ + * p lhs, rhs # undefined local variable + * */ VALUE |