Special character-php

• 
  PHP special characters

* PHP string with single quotation mark delimiter, support two escape \ ' and \ \ * Double quote-delimiter PHP string, support the following escape: \ n NewLine (LF or ASCII characters 0x0A) \ r Enter (CR or ASCII character 0x0D (13 ) \ t Horizontal tab (HT or ASCII character 0x09 (9)) \ \ backslash \$ dollar sign \ "double quotation mark \[0-7]{1,3} This regular expression sequence matches one with eight The character represented by the binary symbol \x[0-9a-fa-f]{1,2} This regular expression sequence matches a character represented by a hexadecimal symbol

• Write Regular in PHP

The first regular after PHP, is to write the regular, and then write PHP

• Regular special characters

* . ? + $ ^ [ ] ( ) { } | \ /

Special character-php