php preg_match(): 未找到结束分隔符 '^'

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时间:2020-08-25 10:34:04  来源:igfitidea点击:

preg_match(): No ending delimiter '^' found

phppreg-match

提问by Simpel

Warning: preg_match(): No ending delimiter '^' found in .../functions/validations.php on line 29

警告:preg_match():在第 29 行的 .../functions/validations.php 中找不到结束分隔符“^”

The code:

编码:

 if (preg_match($mail_pat, $email, $components)) {

What and where do I make the edit?

我在哪里进行编辑?

回答by din din

Perl based regex should be inside the delimeters.. "/your regex here/".. the deprecated POSIX regex were the one which did not require any delimeter.. eg ereg(")

基于 Perl 的正则表达式应该在分隔符内...... "/your regex here/".. 不推荐使用的 POSIX 正则表达式是不需要任何分隔符的......例如 ereg(")

回答by alexn

You must add delimiters to your regex:

您必须在正则表达式中添加分隔符:

if (preg_match('/' . $mail_pat . '/', $email, $components)) {

$mail_pat starts with a ^but ends with another character, which causes the error since there are no matching delimiters.

$mail_pat 以 a 开头^但以另一个字符结尾,这会导致错误,因为没有匹配的分隔符。