[Regex Expression] Find Sets of Characters

2024-10-16 15:38:34

Regular Expression Character Classes define a group of characters we can use in conjunction with quantifiers.

var str = `cat bat mat Hat 0at ?at`;

var regex = /[bc]at/g; // match 'cat bat'

// the same as:

var regex = /(b|c)at/g;

var regex = /[^bc]at/g; // matcg 'mat Hat 0at ?at'

var regex = /[a-zA-Z0-9?]at/g; // match all the string,

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