Javascript Regular Expression (1)

The direct variable character of the regular expression:

Character	Match
\ O	NUL characters
\ T	Tab
\ N	Line Break
\ V	Vertical Tab
\ F	Page feed
\ R	Enter
\ Xnn	The Latin character specified by the hexadecimal NN, for example, \ x0a is equivalent to \ n.
\ Uxxxx	Unicode characters
\ CX	Control Character ^ x

JS reference of the regular expression: var send = new Regexp ("S $"); -- string matching ending with S

Regular Expression:

Verified characters:

Which has special meanings in Regular Expressions: ^ $. * +! : | \/() [] {}. If you use these Punctuation Marks directly in a regular expression, you must add "\" (Escape Character ). Other characters (for example, @ and quotation marks) do not have special meanings. In a regular expression, they only match themselves by quantity. Note: \ -- "\"

Question: "A [B] C [d] E [f] G" is divided into two Arrays: aceg and [B] [d] [f].

Question:

They are all looking for [B] [d] [f] arrays. Which one is better?

Method 1: var test1 = test. Match (/\ [(\ W) * \]/G );

Method 2: var S =/\ [(\ W) * \]/g;
VaR result;
VaR test1 = [];
While (result = s.exe C (TEST ))! = NULL ){
Test1.push (result [0]);
}