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Python: Regex (edit)

Revision as of 13:45, 12 February 2020

2,274 bytes added ,  13:45, 12 February 2020
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==Quick Reference==
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===All===
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{| class="wikitable"
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|+
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https://regex101.com/
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!Token
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!Description
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|-
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|Newline
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|\n
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|-
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|Carriage return
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|\r
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|-
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|Null character
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|\0
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|-
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|A single character of: a, b, or c
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|[abc]
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|-
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|A character except: a, b, c
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|[^a,b,c]
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|-
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|A character in the range a-z
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|[a-z]
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|-
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|A character not in the range a-z
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|[^a-z]
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|-
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|A character in the range a-z or A-Z
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|[a-zA-Z]
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|-
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|Any single character
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|.
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|-
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|Any whitespace character
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|\s
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|-
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|Any non-whitespace character
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|\S
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|-
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|any digit
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|\d
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|-
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|Any non-digit
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|\D
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|-
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|Any word character
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|\w
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|-
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|Any non-word character
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|\W
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|-
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|Vertical whitespace character
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|\v
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|-
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|Match nth subpattern
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|\n
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|-
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|Hex character YY
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|\xYY
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|-
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|Octal character ddd
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|\ddd
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|-
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|Backspace character
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|[\b]
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|-
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|Makes any character literal
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|\
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|-
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|Capture everything enclosed
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|(...)
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|-
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|Match either a or b
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|<nowiki>(a|b)</nowiki>
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|-
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|Match everything enclosed
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|(?:...)
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|-
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|Comment
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|(?#...)
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|-
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|Named Capturing Group
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|(?P<name>...)
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|-
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|Inline modifiers
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|(?imsxXU)
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|-
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|Conditional statement
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|<nowiki>(?(1)yes|no)</nowiki>
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|-
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|Match subpattern `name`
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|(?P=name)
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|-
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|Positive Lookahead
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|(?=...)
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|-
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|Negative Lookahead
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|(?!...)
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|-
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|Positive Lookbehind
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|(?<...)
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|-
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|Negative Lookbehind
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|(?<!...)
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|-
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|Zero or one of a
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|a?
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|-
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|Zero or more of a
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|a*
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|-
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|One or more of a
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|a+
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|-
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|Exatly 3 of a
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|a{3}
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|-
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|Between 3 and 6 of a
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|a{3, 6}
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|-
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|Greedy quantifier
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|a*
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|-
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|Lazy quantifier
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|a*?
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|-
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|Start of string
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|^
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|-
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|End of string
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|$
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|-
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|Start of string
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|\A
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|-
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|End of string
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|\Z
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|-
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|A word boundary
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|\b
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|-
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|A word boundary with postgres
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|\y
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|-
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|A non word boundary
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|\b
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|-
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|A non word boundary with postgres
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|\Y
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|-
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|Global
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|g
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|-
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|Multiline
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|m
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|-
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|Case insensitive
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|i
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|-
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|Ignore whitespace
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|x
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|-
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|Single line
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|s
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|-
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|Enable unicode support
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|u
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|-
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|Restrict matches to ASCII only
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|a
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|-
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|Complete match contents
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|\g<0>
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|-
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|Complete match contents
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|\0
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|-
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|Contents in capture group 1
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|\1
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|-
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|Contents in capture group 1
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|$1
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|-
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|Contents in capture group `foo`
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|${foo}
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|-
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|Hexadecimal replacement values
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|\x20
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|-
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|Hexadecimal replacement values
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|\x{06fa}
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|-
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|Tab
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|\t
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|-
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|Carriage return
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|\r
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|-
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|Newline
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|\n
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|-
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|Form-feed
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|\f
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|-
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|Uppercase Transformation
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|\U
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|-
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|Lowercase Transformation
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|\L
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|-
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|Terminate any Transformation
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|\E
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|-
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|3 or more of a
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|a{3,}
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|}
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==Examples==
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===Port===
 
===Port===
 
<source lang="python">port_regex = re.compile(r'\b('
 
<source lang="python">port_regex = re.compile(r'\b('
Retrieved from "https://wiki.herrerosolis.com/index.php/Special:MobileDiff/1875...2117"

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