Regular expressions match spaces

Source: Internet
Author: User

Regex. replace (line, @ "s +", ","); // convert the space to ","
S matches any blank characters, including spaces, tabs, line breaks, and Chinese fullwidth spaces.
S blank character: [] // key of the city!

Tab ('u0009 ')
New Line (Line Feed) character ('u000a ')
Carriage return ('u000d ')
Page feed ('u000c ')
Alarm (bell) character ('u0007 ')
E escape character ('u001b ')
Control Operator of cx corresponding to x

Instance 1
Explode is a string that is hashed out by a string.
Split is to use regular expression to scatter strings.

The code is as follows: Copy code
$ Str = "123 456 ";
$ Patten = "/s + /";
$ Result = split ($ patten, $ str );
Echo join ("<br>", $ result );


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