Pattern Regex.compile(String pattern)
Pattern Regex.compile(String pattern, int flags)
boolean Regex.matches(String pattern, CharSequence input)
Matcher Regex.matcher(String pattern, CharSequence input)
String Regex.quote(String literal)
String[] Regex.split(String pattern, CharSequence input)
String Regex.replaceAll(String pattern, CharSequence input, String replacement)
String Regex.replaceFirst(String pattern, CharSequence input, String replacement)
boolean Regex.find(String pattern, CharSequence input)