RegExp cheat sheet

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var pattern = new RegExp(pattern, modifiers);

. - match any character (except newline)

Character classes

• [abcde] - match a single character: a, b, c, d, or e
• [^abcde] - match a single character, except of a, b, c, d, and e
• [a-e] - the same as [abcde]
• \d - a single digit (the same as [0-9])
• \w - a single word characer (the same as [a-zA-Z0-9_]
• \s - a single white space
• \D - a single non-digit (the same as [^\d])

Alternation

• apple|banana

Grouping

()

Quantifiers

• ? - 0 or 1
• + - 1 or more
• * - 0 or more (any number)
• {n, m} - between n and m times (inclusive)

Modifiers

• i - case insensitive
• g - global
• m - multiline