diff options
Diffstat (limited to 'Lib/regex_syntax.py')
| -rw-r--r-- | Lib/regex_syntax.py | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/Lib/regex_syntax.py b/Lib/regex_syntax.py deleted file mode 100644 index b0a0dbf20c..0000000000 --- a/Lib/regex_syntax.py +++ /dev/null @@ -1,53 +0,0 @@ -"""Constants for selecting regexp syntaxes for the obsolete regex module. - -This module is only for backward compatibility. "regex" has now -been replaced by the new regular expression module, "re". - -These bits are passed to regex.set_syntax() to choose among -alternative regexp syntaxes. -""" - -# 1 means plain parentheses serve as grouping, and backslash -# parentheses are needed for literal searching. -# 0 means backslash-parentheses are grouping, and plain parentheses -# are for literal searching. -RE_NO_BK_PARENS = 1 - -# 1 means plain | serves as the "or"-operator, and \| is a literal. -# 0 means \| serves as the "or"-operator, and | is a literal. -RE_NO_BK_VBAR = 2 - -# 0 means plain + or ? serves as an operator, and \+, \? are literals. -# 1 means \+, \? are operators and plain +, ? are literals. -RE_BK_PLUS_QM = 4 - -# 1 means | binds tighter than ^ or $. -# 0 means the contrary. -RE_TIGHT_VBAR = 8 - -# 1 means treat \n as an _OR operator -# 0 means treat it as a normal character -RE_NEWLINE_OR = 16 - -# 0 means that a special characters (such as *, ^, and $) always have -# their special meaning regardless of the surrounding context. -# 1 means that special characters may act as normal characters in some -# contexts. Specifically, this applies to: -# ^ - only special at the beginning, or after ( or | -# $ - only special at the end, or before ) or | -# *, +, ? - only special when not after the beginning, (, or | -RE_CONTEXT_INDEP_OPS = 32 - -# ANSI sequences (\n etc) and \xhh -RE_ANSI_HEX = 64 - -# No GNU extensions -RE_NO_GNU_EXTENSIONS = 128 - -# Now define combinations of bits for the standard possibilities. -RE_SYNTAX_AWK = (RE_NO_BK_PARENS | RE_NO_BK_VBAR | RE_CONTEXT_INDEP_OPS) -RE_SYNTAX_EGREP = (RE_SYNTAX_AWK | RE_NEWLINE_OR) -RE_SYNTAX_GREP = (RE_BK_PLUS_QM | RE_NEWLINE_OR) -RE_SYNTAX_EMACS = 0 - -# (Python's obsolete "regexp" module used a syntax similar to awk.) |