PDFlib Text Extraction Toolkit (TET) Manual

Table 10.1 Unicode set examples
specification of Unicode set
[U+0061-U+007A]
[U+0640]
[\x{0640}]
[U+FB00-U+FB17]
[^U+0061-U+007A]
[:Lu:]
[:UppercaseLetter:]
[:L:]
[:Letter:]
[:General_Category=Dash_Punctuation:]
[:Alphabetic=No:]
[:Private_Use:]
characters in the Unicode set
lower case letters a through z
single character Arabic Tatweel
single character Arabic Tatweel
Latin and Armenian ligatures
all characters except a through z
all uppercase letters (short and long forms of the Unicode
set)
all Unicode categories starting with L (short and long
forms of the Unicode set)
all characters in the general category Dash_Punctuation
all non-alphabetic characters
all characters in the Private Use Area (PUA)
Number. Option list support several numerical types.
Integer types can hold decimal and hexadecimal integers. Positive integers starting
with x, X, 0x, or 0X specify hexadecimal values:
-12345
0
0xFF
Floats can hold decimal floating point or integer numbers; period and comma can be
used as decimal separators for floating point values. Exponential notation is also supported.
The following values are all equivalent:
size = -123.45
size = -123,45
size = -1.2345E2
size = -1.2345e+2
146 Chapter 10: TET Library API Reference