What does the i modifier represent in Regular Expressions? Perform global matching (find all occurences) Perform case-sensitive matching Perform case-insensitive matching Submit Answer » What is an Exercise? Test what you learned in the chapter: JS Regular Expressions by completing 3 relevant exercises. To try more JS Exercises please visit our JS Exercises page.
Use a regular expression to do a case-insensitive search for "w3schools" in a string: $str = "Visit W3Schools"; $pattern = "/w3schools/i"; echo preg_match($pattern, $str); Try it Yourself » Using preg_match_all()The preg_match_all() function will tell you how many matches ...
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[]...
preg_replace_callback() Given an expression and a callback, returns a string where all matches of the expression are replaced with the substring returned by the callback preg_replace_callback_array() Given an array associating expressions with callbacks, returns a string where all matches of ea...