// A simple way to check for HTML strings or ID strings
// Prioritize #id over to avoid XSS via location.hash (#9521)
quickExpr = /^(?:[^#<]*(<[\w\W]+>)[^>]*$|#([\w\-]*)$)/,
// Check if a string has a non-whitespace character in it
rnotwhite = /\S/,
// Used for trimming whitespace
trimLeft = /^\s+/,
trimRight = /\s+$/,
// Check for digits
rdigit = /\d/,
// Match a standalone tag
rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
// JSON RegExp
rvalidchars = /^[\],:{}\s]*$/,
rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,
rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
// Matches dashed string for camelizing
rdashAlpha = /-([a-z]|[0-9])/ig,
rmsPrefix = /^-ms-/,