Regular Expressions Cookbook, 2nd Edition

P

parentheses, Discussion–Group with mode modifiers

parsing input, Discussion

parsing string for import into application, Problem–See Also

ASCII visible and space characters only, ASCII visible and space characters only–ASCII visible and space characters only

disallowing three or more sequential identical characters, Disallow three or more sequential identical characters–Disallow three or more sequential identical characters

in JavaScript, Example JavaScript solution, basic–Example JavaScript solution, basic, Example JavaScript solution, with x out of y validation–Example JavaScript solution, with x out of y validation, Example JavaScript solution, with password security ranking–Example JavaScript solution, with password security ranking, Example JavaScript solutions–Example JavaScript solutions

basic, Example JavaScript solution, basic–Example JavaScript solution, basic
overview, Example JavaScript solutions–Example JavaScript solutions
with password security ranking, Example JavaScript solution, with password security ranking–Example JavaScript solution, with password security ranking
with x out of y validation, Example JavaScript solution, with x out of y validation–Example JavaScript solution, with x out of y validation

length between 8 and 32 characters, Length between 8 and 32 characters–Length between 8 and 32 characters

multiple password rules with single regex, Validate multiple password rules with a single regex–Validate multiple password rules with a single regex

one or more lowercase letters, One or more lowercase letters–One or more lowercase letters

one or more numbers, One or more lowercase letters–One or more special characters

one or more special characters, One or more special characters–One or more special characters

one or more uppercase letters, One or more uppercase letters–One or more uppercase letters

paths, extracting from, Problem–See Also, Problem–See Also, Problem–See Also, Problem–See Also, Problem–See Also, Problem–See Also, Problem–See Also, Problem–See Also

UNC path server, Problem–See Also

URLs, Problem–See Also

Windows paths, Problem–See Also, Problem–See Also, Problem–See Also, Problem–See Also, Problem–See Also, Problem–See Also

drive letter, Problem–See Also
file extension, Problem–See Also
filename, Problem–See Also
folder, Problem–See Also
splitting into parts, Problem–See Also
validating of, Problem–See Also

Pattern class (Java), Java, Java, Java, Java, Java, Java, Java

Pattern.CANON_EQ flag, Java

Pattern.COMMENTS flag, Free-spacing mode, Java

Pattern.UNICODE_CHARACTER_CLASS flag, Java

Pattern.UNIX_LINES flag, Java

PatternSyntaxException, Java, Java, Java

PCRE (Perl-Compatible Regular Expressions), Regex Flavors Covered by This Book–PowerGREP, Many Flavors of Replacement Text

PCRE_BSR_UNICODE option, Working with esoteric line separators

$ token in, Discussion

%+ in, Perl, Perl

@ character in, Perl

and linebreaks, Any character except line breaks

escaping characters in replacement text, Perl–Perl

IPv4 addresses in, Regular expression–Discussion

limiting length of text in, Perl example–Perl example

matches in, Perl–Perl, Perl–Perl, Perl–Perl, Perl–Perl, Perl–Perl, Perl–Perl, Perl–Perl, Perl–Perl, Perl–Ruby, VB.NET–Discussion, Perl–Discussion, Perl–Perl, Perl–Perl, Perl–Perl, Perl–Perl, Problem–Discussion, Problem–Python

finding within another match, Perl–Discussion
iterating through, Perl–Ruby
length of, Perl–Perl
position of, Perl–Perl
replacing all, Perl–Perl
replacing all between matches of another regex, Problem–Python
replacing all using parts of match text, Perl–Perl, Perl–Perl
replacing all with replacements generated in code, Perl–Perl
replacing all within matches of another regex, Problem–Discussion
retrieving entire string, Perl–Perl
retrieving list of, Perl–Perl
retrieving part of string, Perl–Perl, Perl–Perl
testing entire string, Perl–Perl
testing in string, Perl–Perl
validating in procedural code, VB.NET–Discussion

parsing string for import into application, Problem–See Also

regular expression library for, Perl–Perl

regular expression objects in, Perl–Perl

replacement text flavor, Many Flavors of Replacement Text–Many Flavors of Replacement Text

searching line by line in, Perl–Perl

setting options in, Perl–Perl, Perl–Perl

strings in, Perl–Perl, Perl–Perl, Perl–Perl

for regex, Perl–Perl
splitting, Perl–Perl
splitting and keeping regex matches, Perl–Perl

stripping leading zeros in, Problem–Discussion

support for regular expressions, Regex Flavors Covered by This Book–Regex Flavors Covered by This Book

validating dates in, Perl–Perl

Perl-Compatible Regular Expressions (PCRE), Regex Flavors Covered by This Book–PowerGREP, Many Flavors of Replacement Text

phone numbers, Problem–See Also, Eliminate invalid phone numbers–Eliminate invalid phone numbers, Find phone numbers in documents–Find phone numbers in documents, Allow a leading “1”–Allow a leading “1”, Allow seven-digit phone numbers–Allow seven-digit phone numbers, Problem–See Also, Validate international phone numbers in EPP format–Validate international phone numbers in EPP format

international, Problem–See Also, Validate international phone numbers in EPP format–Validate international phone numbers in EPP format

in EPP format, Validate international phone numbers in EPP format–Validate international phone numbers in EPP format
overview, Problem–See Also

North American, Problem–See Also, Eliminate invalid phone numbers–Eliminate invalid phone numbers, Find phone numbers in documents–Find phone numbers in documents, Allow a leading “1”–Allow a leading “1”, Allow seven-digit phone numbers–Allow seven-digit phone numbers

allowing leading “1”, Allow a leading “1”–Allow a leading “1”
allowing seven-digit, Allow seven-digit phone numbers–Allow seven-digit phone numbers
eliminating invalid, Eliminate invalid phone numbers–Eliminate invalid phone numbers
finding in documents, Find phone numbers in documents–Find phone numbers in documents
overview, Problem–See Also

escaping characters in replacement text, PHP–PHP

limiting lines of text in, PHP (PCRE) example–PHP (PCRE) example

matches in, PHP–PHP, PHP–PHP, PHP–PHP, PHP–PHP, PHP–PHP, PHP–PHP, PHP–PHP, PHP–PHP, PHP–Ruby, VB.NET–Discussion, XRegExp–Discussion, PHP–PHP, PHP–PHP, PHP–PHP, PHP–PHP, Problem–Discussion, Problem–Python

finding within another match, XRegExp–Discussion
iterating through, PHP–Ruby
length of, PHP–PHP
position of, PHP–PHP
replacing all, PHP–PHP
replacing all between matches of another regex, Problem–Python
replacing all using parts of match text, PHP–PHP, PHP–PHP
replacing all with replacements generated in code, PHP–PHP
replacing all within matches of another regex, Problem–Discussion
retrieving entire string, PHP–PHP
retrieving list of, PHP–PHP
retrieving part of string, PHP–PHP, PHP–PHP
testing entire string, PHP–PHP
testing in string, PHP–PHP
validating in procedural code, VB.NET–Discussion

parsing string for import into application, Problem–See Also

regular expression library for, PHP–PHP

regular expression objects in, PHP–PHP

replacement text flavor, Many Flavors of Replacement Text–Many Flavors of Replacement Text

searching line by line in, PHP–PHP

setting options in, PHP–PHP, PHP–PHP

strings in, PHP–PHP, PHP–PHP, PHP–PHP

for regex, PHP–PHP
splitting, PHP–PHP
splitting and keeping regex matches, PHP–PHP

stripping leading zeros in, Problem–Discussion

plain text, Problem–See Also, Step 1: Replace HTML special characters with named character references–Step 1: Replace HTML special characters with named character references, Step 2: Replace all line breaks with –Step 2: Replace all line breaks with , Step 3: Replace double tags with –Step 3: Replace double tags with , Step 4: Wrap the entire string with ⋯–Step 4: Wrap the entire string with ⋯, Example JavaScript solution–Example JavaScript solution, Step 1: Replace HTML special characters with named character references–Step 1: Replace HTML special characters with named character references, Step 2: Replace all line breaks with –Step 2: Replace all line breaks with , Step 3: Replace double tags with –Step 3: Replace double tags with , Step 4: Wrap the entire string with ⋯–Step 4: Wrap the entire string with ⋯

converting to HTML tags, Problem–See Also, Step 1: Replace HTML special characters with named character references–Step 1: Replace HTML special characters with named character references, Step 2: Replace all line breaks with –Step 2: Replace all line breaks with , Step 3: Replace double tags with –Step 3: Replace double tags with , Step 4: Wrap the entire string with ⋯–Step 4: Wrap the entire string with ⋯, Example JavaScript solution–Example JavaScript solution, Step 1: Replace HTML special characters with named character references–Step 1: Replace HTML special characters with named character references, Step 2: Replace all line breaks with –Step 2: Replace all line breaks with , Step 3: Replace double tags with –Step 3: Replace double tags with , Step 4: Wrap the entire string with ⋯–Step 4: Wrap the entire string with ⋯

in JavaScript, Example JavaScript solution–Example JavaScript solution
replacing line breaks, Step 2: Replace all line breaks with –Step 2: Replace all line breaks with , Step 3: Replace double tags with –Step 3: Replace double tags with , Step 2: Replace all line breaks with –Step 2: Replace all line breaks with , Step 3: Replace double tags with –Step 3: Replace double tags with 
replacing special characters, Step 1: Replace HTML special characters with named character references–Step 1: Replace HTML special characters with named character references, Step 1: Replace HTML special characters with named character references–Step 1: Replace HTML special characters with named character references
wrapping entire string, Step 4: Wrap the entire string with ⋯–Step 4: Wrap the entire string with ⋯, Step 4: Wrap the entire string with ⋯–Step 4: Wrap the entire string with ⋯

port, extracting from URLs, Problem–See Also, Problem–Discussion, Problem–Discussion

from valid URL, Problem–Discussion
while validating URL, Problem–Discussion

POSIX ERE (regular expression flavor), Many Flavors of Replacement Text, Windows Grep

possessive quantifiers, Discussion–Discussion, Allow > in attribute values, Allow > in attribute values, (X)HTML tags (strict)

and + quantifier, (X)HTML tags (strict)
avoiding backtracking using, Allow > in attribute values
benefits of, Allow > in attribute values

Post Office boxes, Problem–See Also

PowerGREP, PowerGREP–PowerGREP

PowerShell, More Programming Languages–More Programming Languages, Solution

preg_match() function, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP
preg_matches() function, PHP, PHP, PHP
preg_match_all() function, PHP, PHP, PHP, PHP
preg_replace() function, Many Flavors of Replacement Text, Languages Covered in This Chapter, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP, PHP
preg_replace_callback() function, PHP, PHP, PHP
preg_split() function, PHP, PHP, PHP, PHP, PHP, PHP

PREG_OFFSET_CAPTURE constant, PHP, PHP, PHP, PHP, PHP

PREG_PATTERN_ORDER constant, PHP, PHP, PHP, PHP, PHP, PHP

PREG_SET_ORDER constant, PHP, PHP, PHP, PHP

PREG_SPLIT_DELIM_CAPTURE constant, PHP, PHP

PREG_SPLIT_NO_EMPTY constant, PHP, PHP

punctuation, stripping, Strip whitespace and punctuation–Strip whitespace and punctuation

punycode algorithm, Discussion

escaping characters in replacement text, Python and Ruby–Python and Ruby

matches in, Python–Python, Python–Python, Python–Python, Python–Python, Python–Python, Python–Python, Python–Python, Python–Python, Python–Ruby, VB.NET–Discussion, Perl–Discussion, Python–Python, Python–Python, Python–Python, Python–Python, Problem–Discussion, Problem–Python

finding within another match, Perl–Discussion
iterating through, Python–Ruby
length of, Python–Python
position of, Python–Python
replacing all, Python–Python
replacing all between matches of another regex, Problem–Python
replacing all using parts of match text, Python–Python, Python–Python
replacing all with replacements generated in code, Python–Python
replacing all within matches of another regex, Problem–Discussion
retrieving entire string, Python–Python
retrieving list of, Python–Python
retrieving part of string, Python–Python, Python–Python
testing entire string, Python–Python
testing in string, Python–Python
validating in procedural code, VB.NET–Discussion

parsing string for import into application, Problem–See Also

regular expression library for, Python–Python

regular expression objects in, Python–Python

replacement text flavor, Many Flavors of Replacement Text–Many Flavors of Replacement Text

searching line by line in, Python–Python

setting options in, Python–Python, Python–Python

strings in, Python–Python, Python–Python, Python–Python

for regex, Python–Python
splitting, Python–Python
splitting and keeping regex matches, Python–Python

support for regular expressions, Regex Flavors Covered by This Book

validating ISBNs in, Regular expressions–Discussion

validating Social Security numbers in, Python example–Python example

\n token in, Python, Python, Python, Python

\s token in, Python

\w token in, Python

Table of Contents for Regular Expressions Cookbook, 2nd Edition

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Table of Contents for
Regular Expressions Cookbook, 2nd Edition