PHP regular expression complete tutorial five

Some examples of php regular expressions Regular Expression Description /b([a-z]+) 1b/gi The position where a word appears continuously /(w+)://([^/:]+)(:d*)?([^# ]*)/ Parses a URL into protocol, domain, port and relative path /^(?:Chapter|Section) [1-9][0-9]{0,1}$/ Locate the position of the chapter /[-a-z]/ A to z, a total of 26 letters plus a - sign. /terb/ can match chapter, but not terminal /Bapt/ can match chapter, but not aptitude /Windows(?=95 |98 |NT )/ can match Windows95 or Windows98 or WindowsNT. When a match is found, start the next one from behind Windows