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How to use backslash in preg_repalce()?
 
  2018-01-29 16:03:43
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I checked the manual, but I don’t understand this sentence. I would like to ask for advice humbly: If you want to use backslashes in replacement, you must use 4 ("\\\\", translation annotation: because this is first of all a PHP string, After escaping, there are two, and then after passing through the regular expression engine, it is considered to be one original backslash).

 
 

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尋覓 beyond

Use single quotes directly, why bother?

lge

This is very clear. Two slashes are needed for escaping, one for regular expressions, and one for the original text

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