Minor lint fixes

---
 pygments/lexers/other.py |   12 ++++++------
 pygments/lexers/shell.py |    6 +++---
 pygments/lexers/sql.py   |    8 ++++----
 3 files changed, 13 insertions(+), 13 deletions(-)

3 files changed, 13 insertions, 13 deletions

diff --git a/pygments/lexers/other.py b/pygments/lexers/other.py
index 7af85712..bb5933df 100644
--- a/pygments/lexers/other.py
+++ b/pygments/lexers/other.py
@@ -2608,7 +2608,7 @@ class SnobolLexer(RegexLexer):
             # ASCII equivalents of original operators
             # | for the EBCDIC equivalent, ! likewise
             # \ for EBCDIC negation
-            (r'\*\*|[\?\$\.!%\*/#+\-@\|&\\!=]', Operator),
+            (r'\*\*|[\?\$\.!%\*/#+\-@\|&\\=]', Operator),
             (r'"[^"]*"', String),
             (r"'[^']*'", String),
             # Accept SPITBOL syntax for real numbers
@@ -3244,8 +3244,8 @@ class OpenEdgeLexer(RegexLexer):
             (r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
             (r'[0-9]+', Number.Integer),
             (r'\s+', Text),
-            (r'[\\+\\-\\*\\/\\=]', Operator),
-            (r'[\\.\\:\\(\\)]', Punctuation),
+            (r'[+*/=-]', Operator),
+            (r'[.:()]', Punctuation),
             (r'.', Name.Variable), # Lazy catch-all
         ],
         'comment': [
@@ -3279,7 +3279,7 @@ class BroLexer(RegexLexer):
     tokens = {
         'root': [
             # Whitespace
-            ('^@.*?\n', Comment.Preproc),
+            (r'^@.*?\n', Comment.Preproc),
             (r'#.*?\n', Comment.Single),
             (r'\n', Text),
             (r'\s+', Text),
@@ -3315,8 +3315,8 @@ class BroLexer(RegexLexer):
             (r'/', String.Regex, 'regex'),
             (r'"', String, 'string'),
             # Operators
-            (r'[!%*/+-:<=>?~|]', Operator),
-            (r'([-+=&|]{2}|[+-=!><]=)', Operator),
+            (r'[!%*/+:<=>?~|-]', Operator),
+            (r'([-+=&|]{2}|[+=!><-]=)', Operator),
             (r'(in|match)\b', Operator.Word),
             (r'[{}()\[\]$.,;]', Punctuation),
             # Identfier
diff --git a/pygments/lexers/shell.py b/pygments/lexers/shell.py
index 8c78d158..06700f3e 100644
--- a/pygments/lexers/shell.py
+++ b/pygments/lexers/shell.py
@@ -67,7 +67,7 @@ class BashLexer(RegexLexer):
             (r"(?s)\$?'(\\\\|\\[0-7]+|\\.|[^'\\])*'", String.Single),
             (r';', Text),
             (r'\s+', Text),
-            (r'[^=\s\n\[\]{}()$"\'`\\<]+', Text),
+            (r'[^=\s\[\]{}()$"\'`\\<]+', Text),
             (r'\d+(?= |\Z)', Number),
             (r'\$#?(\w+|.)', Name.Variable),
             (r'<', Text),
@@ -251,7 +251,7 @@ class TcshLexer(RegexLexer):
             (r'(?s)"(\\\\|\\[0-7]+|\\.|[^"\\])*"', String.Double),
             (r"(?s)'(\\\\|\\[0-7]+|\\.|[^'\\])*'", String.Single),
             (r'\s+', Text),
-            (r'[^=\s\n\[\]{}()$"\'`\\]+', Text),
+            (r'[^=\s\[\]{}()$"\'`\\]+', Text),
             (r'\d+(?= |\Z)', Number),
             (r'\$#?(\w+|.)', Name.Variable),
         ],
@@ -315,7 +315,7 @@ class PowerShellLexer(RegexLexer):
 
     commenthelp = (
         'component description example externalhelp forwardhelpcategory '
-        'forwardhelptargetname forwardhelptargetname functionality inputs link '
+        'forwardhelptargetname functionality inputs link '
         'notes outputs parameter remotehelprunspace role synopsis').split()
 
     tokens = {
diff --git a/pygments/lexers/sql.py b/pygments/lexers/sql.py
index d5444fcb..656d29a7 100644
--- a/pygments/lexers/sql.py
+++ b/pygments/lexers/sql.py
@@ -147,14 +147,14 @@ class PostgresLexer(PostgresBase, RegexLexer):
                 for s in DATATYPES + PSEUDO_TYPES])
                   + r')\b', Name.Builtin),
             (r'(' + '|'.join(KEYWORDS) + r')\b', Keyword),
-            (r'[+*/<>=~!@#%^&|`?^-]+', Operator),
+            (r'[+*/<>=~!@#%^&|`?-]+', Operator),
             (r'::', Operator),  # cast
             (r'\$\d+', Name.Variable),
             (r'([0-9]*\.[0-9]*|[0-9]+)(e[+-]?[0-9]+)?', Number.Float),
             (r'[0-9]+', Number.Integer),
             (r"(E|U&)?'(''|[^'])*'", String.Single),
             (r'(U&)?"(""|[^"])*"', String.Name), # quoted identifier
-            (r'(?ms)(\$[^\$]*\$)(.*?)(\1)', language_callback),
+            (r'(?s)(\$[^\$]*\$)(.*?)(\1)', language_callback),
             (r'[a-zA-Z_][a-zA-Z0-9_]*', Name),
 
             # psql variable in SQL
@@ -434,7 +434,7 @@ class SqlLexer(RegexLexer):
              r'DEC|DECIMAL|FLOAT|INT|INTEGER|INTERVAL|NUMBER|NUMERIC|REAL|'
              r'SERIAL|SMALLINT|VARCHAR|VARYING|INT8|SERIAL8|TEXT)\b',
              Name.Builtin),
-            (r'[+*/<>=~!@#%^&|`?^-]', Operator),
+            (r'[+*/<>=~!@#%^&|`?-]', Operator),
             (r'[0-9]+', Number.Integer),
             # TODO: Backslash escapes?
             (r"'(''|[^'])*'", String.Single),
@@ -472,7 +472,7 @@ class MySqlLexer(RegexLexer):
             (r"'(''|[^'])*'", String.Single),
             (r'"(""|[^"])*"', String.Double),
             (r"`(``|[^`])*`", String.Symbol),
-            (r'[+*/<>=~!@#%^&|`?^-]', Operator),
+            (r'[+*/<>=~!@#%^&|`?-]', Operator),
             (r'\b(tinyint|smallint|mediumint|int|integer|bigint|date|'
              r'datetime|time|bit|bool|tinytext|mediumtext|longtext|text|'
              r'tinyblob|mediumblob|longblob|blob|float|double|double\s+'