PHP-POSIX regular expression function

PHP extension text processing-POSIX regular expression function and example POSIX Regex function

Ereg_replace-regular expression replacement

Ereg-regular expression matching

Eregi_replace-replace a case-insensitive regular expression

Eregi-case-insensitive regular expression matching

Split-use regular expressions to split strings into arrays

Spliti-use regular expressions to split strings into arrays without case sensitivity

SQL _regcase-generate a regular expression for matching with no size difference

Example:

  tag at the beginning of $string.$string = ereg_replace("^", "
", $string);// Put a 
 tag at the end of $string.$string = ereg_replace("$", "
", $string);// Get rid of any newline characters in $string.$string = ereg_replace("\n", "", $string);?>