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U+C0B5
uc
ucfirst
UCS-2 encoding
UCS-4 encoding
Ullman, Jeffrey
\p{ Unassigned } 2nd 3rd 4th 5th 6th
        Perl 2nd 3rd
unconditional caching
underscore in \w history
Unescape
Unicode
        .NET
        \w
        block
                .NET
                Java 2nd
                Perl
       character
                combining 2nd 3rd
       code point
                beyond U+FFFF
                introduced
                multiple
                unassigned in block
        combining character 2nd 3rd
        Java 2nd
        line terminators 2nd
                Java
        official web site
        overview
        Perl
        PHP 2nd
        properties 2nd
                \p{All} 2nd
                \p{Any} 2nd 3rd
                \p{Assigned} 2nd
                \p{Unassigned} 2nd 3rd
                Java
                list
                Perl
                PHP
        script
                Perl
                PHP
        Version
        whitespace and /x
UnicodeData.txt
unicore
unmatch 2nd 3rd
        .*
        atomic grouping
unrolling the loop
        example 2nd
        general pattern
\p{Uppercase_Letter} 2nd 3rd
URL encoding
URL example 2nd 3rd 4th 5th 6th 7th 8th
        .NET
        egrep
        Java
        plucking
use charnames
use Config 2nd
use English
use overload
use re 'debug' 2nd
use re 'eval'
use strict 2nd 3rd
use Time::HiRes 2nd
use warnings 2nd
useAnchoringBounds method
usePattern method 2nd
username example 2nd 3rd
        in URL
        plucking from text
useTransparentBounds method
using System.Text.RegularExpressions
UTF-16 encoding
UTF-8 encoding 2nd 3rd