Superfluous character class when only one char

6 files changed, 9 insertions, 9 deletions

diff --git a/pygments/lexers/compiled.py b/pygments/lexers/compiled.py
index 913de08b..c41cd3df 100644
--- a/pygments/lexers/compiled.py
+++ b/pygments/lexers/compiled.py
@@ -2766,7 +2766,7 @@ class BlitzMaxLexer(RegexLexer):
     bmax_lktypes = r'\b(Int|Byte|Short|Float|Double|Long)\b'
     bmax_name = r'[a-z_][a-z0-9_]*'
     bmax_var = (r'(%s)(?:(?:([ \t]*)(%s)|([ \t]*:[ \t]*\b(?:Shl|Shr|Sar|Mod)\b)'
-                r'|([ \t]*)([:])([ \t]*)(?:%s|(%s)))(?:([ \t]*)(Ptr))?)') % \
+                r'|([ \t]*)(:)([ \t]*)(?:%s|(%s)))(?:([ \t]*)(Ptr))?)') % \
                 (bmax_name, bmax_sktypes, bmax_lktypes, bmax_name)
     bmax_func = bmax_var + r'?((?:[ \t]|\.\.\n)*)([(])'
 
diff --git a/pygments/lexers/functional.py b/pygments/lexers/functional.py
index 72fb37bc..1f9d816e 100644
--- a/pygments/lexers/functional.py
+++ b/pygments/lexers/functional.py
@@ -1163,7 +1163,7 @@ class AgdaLexer(RegexLexer):
             (r'\b(Set|Prop)\b', Keyword.Type),
             #  Special Symbols
             (r'(\(|\)|\{|\})', Operator),
-            (u'(\\.{1,3}|\\||[\u039B]|[\u2200]|[\u2192]|:|=|->)', Operator.Word),
+            (u'(\\.{1,3}|\\||\u039B|\u2200|\u2192|:|=|->)', Operator.Word),
             #  Numbers
             (r'\d+[eE][+-]?\d+', Number.Float),
             (r'\d+\.\d+([eE][+-]?\d+)?', Number.Float),
diff --git a/pygments/lexers/other.py b/pygments/lexers/other.py
index cef71f95..5bb60560 100644
--- a/pygments/lexers/other.py
+++ b/pygments/lexers/other.py
@@ -1306,9 +1306,9 @@ class ModelicaLexer(RegexLexer):
             (r'\d+[Ll]?', Number.Integer),
             (r'[~!%^&*+=|?:<>/-]', Operator),
             (r'(true|false|NULL|Real|Integer|Boolean)\b', Name.Builtin),
-            (r'([a-zA-Z_][\w]*|[\'][^\']+[\'])'
+            (r'([a-zA-Z_][\w]*|\'[^\']+\')'
              r'([\[\d,:\]]*)'
-             r'(\.([a-zA-Z_][\w]*|[\'][^\']+[\']))+'
+             r'(\.([a-zA-Z_][\w]*|\'[^\']+\'))+'
              r'([\[\d,:\]]*)', Name.Class),
             (r'(\'[\w\+\-\*\/\^]+\'|\w+)', Name),
             (r'[()\[\]{},.;]', Punctuation),
@@ -1350,7 +1350,7 @@ class ModelicaLexer(RegexLexer):
         'classes': [
             (r'(operator)?(\s+)?(block|class|connector|end|function|model|'
              r'operator|package|record|type)(\s+)'
-             r'((?!if|for|when|while)[A-Za-z_]\w*|[\'][^\']+[\'])([;]?)',
+             r'((?!if|for|when|while)[A-Za-z_]\w*|\'[^\']+\')([;]?)',
              bygroups(Keyword, Text, Keyword, Text, Name.Class, Text))
         ],
         'quoted_ident': [
diff --git a/pygments/lexers/parsers.py b/pygments/lexers/parsers.py
index fc8cbb6f..4c23c760 100644
--- a/pygments/lexers/parsers.py
+++ b/pygments/lexers/parsers.py
@@ -102,7 +102,7 @@ class RagelLexer(RegexLexer):
         'host': [
             (r'(' + r'|'.join(( # keep host code in largest possible chunks
                 r'[^{}\'"/#]+', # exclude unsafe characters
-                r'[^\\][\\][{}]', # allow escaped { or }
+                r'[^\\]\\[{}]', # allow escaped { or }
 
                 # strings and comments may safely contain unsafe characters
                 r'"(\\\\|\\"|[^"])*"', # double quote string
@@ -173,7 +173,7 @@ class RagelEmbeddedLexer(RegexLexer):
                     r'[^}\'"\[/#]', # exclude unsafe characters
                     r'}(?=[^%]|$)', # } is okay as long as it's not followed by %
                     r'}%(?=[^%]|$)', # ...well, one %'s okay, just not two...
-                    r'[^\\][\\][{}]', # ...and } is okay if it's escaped
+                    r'[^\\]\\[{}]', # ...and } is okay if it's escaped
 
                     # allow / if it's preceded with one of these symbols
                     # (ragel EOF actions)
diff --git a/pygments/lexers/templates.py b/pygments/lexers/templates.py
index 62d5da85..25f53585 100644
--- a/pygments/lexers/templates.py
+++ b/pygments/lexers/templates.py
@@ -753,7 +753,7 @@ class CheetahLexer(RegexLexer):
             (r'''(?sx)
                 (.+?)               # anything, followed by:
                 (?:
-                 (?=[#][#a-zA-Z]*) |   # an eval comment
+                 (?=\#[#a-zA-Z]*) | # an eval comment
                  (?=\$[a-zA-Z_{]) | # a substitution
                  \Z                 # end of string
                 )
diff --git a/pygments/lexers/web.py b/pygments/lexers/web.py
index ab8a6bcc..3a831b06 100644
--- a/pygments/lexers/web.py
+++ b/pygments/lexers/web.py
@@ -4352,7 +4352,7 @@ class MaskLexer(RegexLexer):
         ],
         'css-base': [
             (r'\s+', Text),
-            (r"[;]", Punctuation),
+            (r";", Punctuation),
             (r"[\w\-_]+\s*:", Name.Builtin)
         ],
         'css-single-end': [