Scans string
for matches to pattern
, then replaces the matched text with replacement
The regular expression pattern.
Multibyte characters may be used in pattern
.
The replacement text.
The string being checked.
Matching condition can be set by option
parameter. If i is specified for this parameter, the case will be ignored. If x is specified, white space will be ignored. If m is specified, match will be executed in multiline mode and line break will be included in '.'. If p is specified, match will be executed in POSIX mode, line break will be considered as normal character. If e is specified, replacement
string will be evaluated as PHP expression.
The resultant string on success, or FALSE
on error.
The internal encoding or the character encoding specified by mb_regex_encoding() will be used as the character encoding for this function.
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