Index

J

Java

integrating with regular expressions, 21–41

confirming addresses example, 33–37

confirming dates example, 27–30

confirming phone number formats example, 22–25

confirming zip codes example, 25–27

finding duplicate words example, 38–41

overview, 21–22

vs. Perl, 51–52

java.util.Properties, 173

Java.util.regex object model, 55–115

Matcher object

appendReplacement method, 98–102

appendTail method, 103

and back references, 123

date validation with, 44–46

end method, 81–86, 83–86

find method, 93–96

and finding duplicate words, 38–40

group method, 86–87

groupCount method, 90–91

and groups, 71–72

lookingAt method, 96–98

matcher method, 63

matches method, 91–92

overview, 70–71

pattern method, 73

and Pattern.matches method, 64–65

replaceAll method, 103–5

replaceFirst method, 105–6

reset method, 73–76

start method, 77–81

vs. String.matches method, 53

and String.replaceAll method, 109

and String.replaceFirst method, 108

overview, 55

Pattern object, 55–70

CANON_EQ flag, 59

CASE_INSENSITIVE field, 57

COMMENTS flag, 57–58

compile method, 59–61

DOTALL flag, 58–59

flags method, 63–64

matcher method, 63

matches method, 64–65

MULTILINE flag, 58

overview, 55–56

pattern method, 62–63

split method, 65–70

UNICODE_CASE flag, 59

UNIX_LINES flag, 57

String object, 106–12

delimiting strings, 106–7

matches method, 107–8

replaceFirst method, 108–9

split method, 109–12