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project3/node_modules/jshint/src/reg.js

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+/*
+ * Regular expressions. Some of these are stupidly long.
+ */
+
+/*jshint maxlen:1000 */
+
+"use strict";
+
+// Unsafe comment or string (ax)
+exports.unsafeString =
+  /@cc|<\/?|script|\]\s*\]|<\s*!|&lt/i;
+
+// Characters in strings that need escaping (nx and nxg)
+exports.needEsc =
+  /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
+
+exports.needEscGlobal =
+  /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
+
+// Star slash (lx)
+exports.starSlash = /\*\//;
+
+// Identifier (ix)
+exports.identifier = /^([a-zA-Z_$][a-zA-Z0-9_$]*)$/;
+
+// JavaScript URL (jx)
+exports.javascriptURL = /^(?:javascript|jscript|ecmascript|vbscript|livescript)\s*:/i;
+
+// Catches /* falls through */ comments (ft)
+exports.fallsThrough = /^\s*falls?\sthrough\s*$/;
+
+// very conservative rule (eg: only one space between the start of the comment and the first character)
+// to relax the maxlen option
+exports.maxlenException = /^(?:(?:\/\/|\/\*|\*) ?)?[^ ]+$/;
+
+// Node.js releases prior to version 8 include a version of the V8 engine which
+// incorrectly interprets the character class escape `\s`. The following
+// regular expression may be replaced with `/\s/` when JSHint removes support
+// for Node.js versions prior to 8.
+// Source:
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp
+exports.whitespace = /[ \f\n\r\t\v\u00a0\u1680\u2000-\u200a\u2028\u2029\u202f\u205f\u3000\ufeff]/;
+
+exports.nonzeroDigit = /^[1-9]$/;
+
+exports.decimalDigit = /^[0-9]$/;
+
+exports.regexpSyntaxChars = /[\^$\\.*+?()[\]{}|]/;
+
+exports.regexpQuantifiers = /[*+?{]/;
+
+exports.regexpControlEscapes = /[fnrtv]/;
+
+exports.regexpCharClasses = /[dDsSwW]/;
+
+// Identifies the "dot" atom in regular expressions
+exports.regexpDot = /(^|[^\\])(\\\\)*\./;