About: Leaning toothpick syndrome

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In computer programming, leaning toothpick syndrome (LTS) is the situation in which a quoted expression becomes unreadable because it contains a large number of escape characters, usually backslashes ("\"), to avoid delimiter collision. LTS appears in many programming languages and in many situations, including in patterns that match Uniform Resource Identifiers (URIs) and in programs that output quoted text. Many quines fall into the latter category.

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rdfs:label	Leaning toothpick syndrome (en) 倾斜牙签综合征 (zh)
rdfs:comment	倾斜牙签综合征（leaning toothpick syndrome，LTS）是指在计算机程序设计中，由于表达式包含了大量的转义字符而使代码变得难以阅读，通常是指反斜线（"\"）开头的转义字符序列。 Perl语言的官方文档引入了这一术语，用于描述Unix风格的正则表达式中大量的前向斜线。 LTS出现在程序设计语言与环境中，包括用于匹配统一资源定位符（URI）的模式（Pattern (software)），以及输出被引用文本的程序中，许多自产生程式属于后一类。 (zh) In computer programming, leaning toothpick syndrome (LTS) is the situation in which a quoted expression becomes unreadable because it contains a large number of escape characters, usually backslashes ("\"), to avoid delimiter collision. LTS appears in many programming languages and in many situations, including in patterns that match Uniform Resource Identifiers (URIs) and in programs that output quoted text. Many quines fall into the latter category. (en)
dcterms:subject	Articles with example Perl code Regular expressions Software engineering folklore Perl Articles with example Python (programming language) code PHP
Wikipage page ID	5552846 (xsd:integer)
Wikipage revision ID	1038191255 (xsd:integer)
Link from a Wikipage to another Wikipage	Python (programming language) Ruby (programming language) Scala (programming language) Articles with example Perl code Perl Regular expression Uniform Resource Identifier Unix Rust (programming language) Escape character Go (programming language) Regular expressions Computer programming Path (computing) Magic quotes String literal Backslash Backtick Software engineering folklore C++11 C (programming language) C Sharp (programming language) Perl Windows DOS File Transfer Protocol PHP Delimiter collision Quine (computing) Here document Articles with example Python (programming language) code PHP Sed Uniform Naming Convention Indent style Printf
sameAs	Leaning toothpick syndrome Leaning toothpick syndrome Leaning toothpick syndrome Leaning toothpick syndrome Leaning toothpick syndrome Leaning toothpick syndrome
dbp:wikiPageUsesTemplate	dbt:Reflist
has abstract	In computer programming, leaning toothpick syndrome (LTS) is the situation in which a quoted expression becomes unreadable because it contains a large number of escape characters, usually backslashes ("\"), to avoid delimiter collision. The official Perl documentation introduced the term to wider usage; there, the phrase is used to describe regular expressions that match Unix-style paths, in which the elements are separated by slashes /. The slash is also used as the default regular expression delimiter, so to be used literally in the expression, it must be escaped with a backslash \, leading to frequent escaped slashes represented as \/. If doubled, as in URLs, this yields \/\/ for an escaped //. A similar phenomenon occurs for DOS/Windows paths, where the backslash is used as a path separator, requiring a doubled backslash \\ – this can then be re-escaped for a regular expression inside an escaped string, requiring \\\\ to match a single backslash. In extreme cases, such as a regular expression in an escaped string, matching a Uniform Naming Convention path (which begins \\) requires 8 backslashes \\\\\\\\ due to 2 backslashes each being double-escaped. LTS appears in many programming languages and in many situations, including in patterns that match Uniform Resource Identifiers (URIs) and in programs that output quoted text. Many quines fall into the latter category. (en) 倾斜牙签综合征（leaning toothpick syndrome，LTS）是指在计算机程序设计中，由于表达式包含了大量的转义字符而使代码变得难以阅读，通常是指反斜线（"\"）开头的转义字符序列。 Perl语言的官方文档引入了这一术语，用于描述Unix风格的正则表达式中大量的前向斜线。 LTS出现在程序设计语言与环境中，包括用于匹配统一资源定位符（URI）的模式（Pattern (software)），以及输出被引用文本的程序中，许多自产生程式属于后一类。 (zh)
gold:hypernym	Situation
prov:wasDerivedFrom	wikipedia-en:Leaning_toothpick_syndrome?oldid=1038191255&ns=0
page length (characters) of wiki page	8574 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Leaning_toothpick_syndrome
is Link from a Wikipage to another Wikipage of	Regular expression Escape character Delimiter Path (computing) Magic quotes String literal Sed Nested quotation LTS Leaning Toothpick Syndrome Leaning toothpicks
is Wikipage redirect of	Leaning Toothpick Syndrome Leaning toothpicks
is Wikipage disambiguates of	LTS
is foaf:primaryTopic of	wikipedia-en:Leaning_toothpick_syndrome

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