Index

P

Pattern class fields, 227–30

Pattern class methods, 230–36

pattern method, 62–63, 73, 232, 236

Pattern object, 55–70

and appendReplacement method, 98

CANON_EQ flag, 59

CASE_INSENSITIVE field, 57

COMMENTS flag, 57–58

compile method, 59–61

data validation with, 44–46

DOTALL flag, 58–59

finding duplicate words example, 38–40

flags method, 63–64

and lookingAt method, 96

matcher method, 63, 232

matches method, 64–65, 108

MULTILINE flag, 58

overview, 55–56

pattern method, 62–63

and reluctant qualifiers, 130

split method, 65–70

split(String regex, int limit) method, 112

split(String regex) method, 110

vs. String.matches method, 53

and String.replaceFirst method, 109

UNICODE_CASE flag, 59

UNIX_LINES flag, 57

patterns

compiling as needed, 160–62

creating, 5–7

defining, 2–3

reading, 8–9

storing externally, 146–60

not using normal property file, 147–48

not using XML, 148–52

overview, 146–47

using FileChannels and ByteBuffers, 152–60

PatternSyntaxException, 55, 65, 108, 109, 110, 112, 230–31

Perl, vs. Java's regex support, 51–52

phone numbers

extracting from files, 200–203

format confirmation, 22–25, 173–78

positive lookaheads, 130–32

positive lookbehinds, 134–37

Properties object, 147, 148, 152

pull technique, 5–6

push technique, 6–7