Use a case-insensitive regular expression to replace Microsoft with W3Schools in a string: $str = "Visit Microsoft!"; $pattern = "/microsoft/i"; echo preg_replace($pattern, "W3Schools", $str); Try it Yourself
PatternSyntaxExceptionClass - Indicates syntax error in a regular expression pattern ExampleGet your own Java Server Find out if there are any occurrences of the word "w3schools" in a sentence: importjava.util.regex.Matcher;importjava.util.regex.Pattern;publicclassMain{publicstaticvoidmain(String[]...
Python re_obj = re.compile(<regex>, <flags>) result = re_obj.search(<string>) Both of the examples above are equivalent to this:Python result = re.search(<regex>, <string>, <flags>) Here’s one of the examples you saw previously, recast using a compiled regular expression object...
preg_replace_callback_array() Given an array associating expressions with callbacks, returns a string where all matches of each expression are replaced with the substring returned by the callback preg_split() Breaks a string into an array using matches of a regular expression as separators preg_...