R3m/framework Function reference preg.quote

{preg.quote(String $string, String $delimiter=null)}

Quote regular expression characters.

{preg.quote()} takes string and puts a backslash in front of every character that is part of the regular expression syntax.
This is useful if you have a run-time string that you need to match in some text, and the string may contain special regex characters.

The special regular expression characters are: . \ + * ? [ ^ ] $ ( ) { } = ! < > | : - #

Note that / is not a special regular expression character.

If the optional delimiter is specified, it will also be escaped.
This is useful for escaping the delimiter that is required by the PCRE functions.
The / is the most commonly used delimiter.

Returns the quoted (escaped) string

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Last modified: 2021-06-07

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