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[DOC] Regexp doc (#7923)

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Burdette Lamar 2023-06-20 08:28:21 -05:00 • committed by GitHub
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Notes: git 2023-06-20 13:28:40 +00:00 
Merged-By: peterzhu2118 <peter@peterzhu.ca>
8 changed files with 2020 additions and 699 deletions
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re.c
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@ -538,7 +538,7 @@ static VALUE rb_reg_str_with_term(VALUE re, int term);
*
* The returned string may be used as an argument to Regexp.new,
* or as interpolated text for a
* {Regexp literal}[rdoc-ref:regexp.rdoc@Regexp+Literal]:
* {Regexp interpolation}[rdoc-ref:regexp.rdoc@Interpolation+Mode]:
*
* r1 = Regexp.new(s0) # => /(?ix-m:ab+c)/
* r2 = /#{s0}/ # => /(?ix-m:ab+c)/
@ -3568,7 +3568,7 @@ reg_match_pos(VALUE re, VALUE *strp, long pos, VALUE* set_match)
* Returns the integer index (in characters) of the first match
* for +self+ and +string+, or +nil+ if none;
* also sets the
* {rdoc-ref:Regexp Global Variables}[rdoc-ref:Regexp@Regexp+Global+Variables]:
* {rdoc-ref:Regexp global variables}[rdoc-ref:Regexp@Global+Variables]:
*
* /at/ =~ 'input data' # => 7
* $~ # => #<MatchData "at">
@ -3581,7 +3581,7 @@ reg_match_pos(VALUE re, VALUE *strp, long pos, VALUE* set_match)
* - Is a regexp literal;
* see {Regexp Literals}[rdoc-ref:literals.rdoc@Regexp+Literals].
* - Does not contain interpolations;
* see {Regexp Interpolation}[rdoc-ref:Regexp@Regexp+Interpolation].
* see {Regexp interpolation}[rdoc-ref:Regexp@Interpolation+Mode].
* - Is at the left of the expression.
*
* Example:
@ -4559,7 +4559,7 @@ match_setter(VALUE val, ID _x, VALUE *_y)
*
* With no argument, returns the value of <tt>$!</tt>,
* which is the result of the most recent pattern match
* (see {Regexp Global Variables}[rdoc-ref:Regexp@Regexp+Global+Variables]):
* (see {Regexp global variables}[rdoc-ref:Regexp@Global+Variables]):
*
* /c(.)t/ =~ 'cat' # => 0
* Regexp.last_match # => #<MatchData "cat" 1:"a">