[\w_] is the same as \w

---
 pygments/lexers/agile.py |   12 ++++++------
 pygments/lexers/other.py |    4 ++--
 pygments/lexers/text.py  |    2 +-
 3 files changed, 9 insertions(+), 9 deletions(-)

3 files changed, 9 insertions, 9 deletions

diff --git a/pygments/lexers/agile.py b/pygments/lexers/agile.py
index 4e838449..32534787 100644
--- a/pygments/lexers/agile.py
+++ b/pygments/lexers/agile.py
@@ -506,7 +506,7 @@ class RubyLexer(ExtendedRegexLexer):
         states = {}
         states['strings'] = [
             # easy ones
-            (r'\:@{0,2}([a-zA-Z_][\w_]*[\!\?]?|\*\*?|[-+]@?|'
+            (r'\:@{0,2}([a-zA-Z_]\w*[\!\?]?|\*\*?|[-+]@?|'
              r'[/%&|^`~]|\[\]=?|<<|>>|<=?>|>=?|===?)', String.Symbol),
             (r":'(\\\\|\\'|[^'])*'", String.Symbol),
             (r"'(\\\\|\\'|[^'])*'", String.Single),
@@ -703,7 +703,7 @@ class RubyLexer(ExtendedRegexLexer):
             # like keywords (class) or like this: ` ?!?
             (r'(\.|::)([a-zA-Z_]\w*[\!\?]?|[*%&^`~+-/\[<>=])',
              bygroups(Operator, Name)),
-            (r'[a-zA-Z_][\w_]*[\!\?]?', Name),
+            (r'[a-zA-Z_]\w*[\!\?]?', Name),
             (r'(\[|\]|\*\*|<<?|>>?|>=|<=|<=>|=~|={3}|'
              r'!~|&&?|\|\||\.{1,3})', Operator),
             (r'[-+/*%=<>&!^|~]=?', Operator),
@@ -713,7 +713,7 @@ class RubyLexer(ExtendedRegexLexer):
         'funcname': [
             (r'\(', Punctuation, 'defexpr'),
             (r'(?:([a-zA-Z_][a-zA-Z0-9_]*)(\.))?'
-             r'([a-zA-Z_][\w_]*[\!\?]?|\*\*?|[-+]@?|'
+             r'([a-zA-Z_]\w*[\!\?]?|\*\*?|[-+]@?|'
              r'[/%&|^`~]|\[\]=?|<<|>>|<=?>|>=?|===?)',
              bygroups(Name.Class, Operator, Name.Function), '#pop'),
             (r'', Text, '#pop')
@@ -721,7 +721,7 @@ class RubyLexer(ExtendedRegexLexer):
         'classname': [
             (r'\(', Punctuation, 'defexpr'),
             (r'<<', Operator, '#pop'),
-            (r'[A-Z_][\w_]*', Name.Class, '#pop'),
+            (r'[A-Z_]\w*', Name.Class, '#pop'),
             (r'', Text, '#pop')
         ],
         'defexpr': [
@@ -949,10 +949,10 @@ class PerlLexer(RegexLexer):
             (r'(?=[^a-zA-Z0-9_])', Text, '#pop'),
         ],
         'modulename': [
-            (r'[a-zA-Z_][\w_]*', Name.Namespace, '#pop')
+            (r'[a-zA-Z_]\w*', Name.Namespace, '#pop')
         ],
         'funcname': [
-            (r'[a-zA-Z_][\w_]*[\!\?]?', Name.Function),
+            (r'[a-zA-Z_]\w*[\!\?]?', Name.Function),
             (r'\s+', Text),
             # argument declaration
             (r'(\([$@%]*\))(\s*)', bygroups(Punctuation, Text)),
diff --git a/pygments/lexers/other.py b/pygments/lexers/other.py
index bb5933df..8fe7e5c1 100644
--- a/pygments/lexers/other.py
+++ b/pygments/lexers/other.py
@@ -1511,9 +1511,9 @@ class ABAPLexer(RegexLexer):
             (r'(CALL\s+(?:DIALOG|SCREEN|SUBSCREEN|SELECTION-SCREEN|'
              r'TRANSACTION|TRANSFORMATION))\b',
                 Keyword),
-            (r'(FORM|PERFORM)(\s+)([\w_]+)',
+            (r'(FORM|PERFORM)(\s+)(\w+)',
                 bygroups(Keyword, Text, Name.Function)),
-            (r'(PERFORM)(\s+)(\()([\w_]+)(\))',
+            (r'(PERFORM)(\s+)(\()(\w+)(\))',
                 bygroups(Keyword, Text, Punctuation, Name.Variable, Punctuation )),
             (r'(MODULE)(\s+)(\S+)(\s+)(INPUT|OUTPUT)',
                 bygroups(Keyword, Text, Name.Function, Text, Keyword)),
diff --git a/pygments/lexers/text.py b/pygments/lexers/text.py
index 85fdfbbc..50688da9 100644
--- a/pygments/lexers/text.py
+++ b/pygments/lexers/text.py
@@ -1702,7 +1702,7 @@ class PyPyLogLexer(RegexLexer):
             (r"^\+\d+: ", Comment),
             (r"[ifp]\d+", Name),
             (r"ptr\d+", Name),
-            (r"(\()([\w_]+(?:\.[\w_]+)?)(\))",
+            (r"(\()(\w+(?:\.\w+)?)(\))",
              bygroups(Punctuation, Name.Builtin, Punctuation)),
             (r"[\[\]=,()]", Punctuation),
             (r"(\d+\.\d+|inf|-inf)", Number.Float),