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Source View: wp_spaces_regexp

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Line Code
3981            * This string is substituted for the \s sequence as needed in regular
3982            * expressions. For websites not written in English, different characters
3983            * may represent whitespace. For websites not encoded in UTF-8, the 0xC2 0xA0
3984            * sequence may not be in use.
3985            *
3986            * @since 4.0.0
3987            *
3988            * @param string $spaces Regexp pattern for matching common whitespace characters.
3989            */
3990           $spaces = apply_filters( 'wp_spaces_regexp', '[\r\n\t ]|\xC2\xA0| ' );
3991      }
3993      return $spaces;
3994 }