Rubyregexfirstmatch

2019年3月21日 — Match finds the first match and returns a MatchData object, while scan finds all matches and returns an array. How to construct the regex object.

A greedy metacharacter can be made lazy by following it with ? . Both patterns below match the string. The first uses a greedy quantifier so '.+' matches '<a><b> ...

A Regexp holds a regular expression, used to match a pattern against strings. ... If a match is found, the operator returns index of first match in string, ...

2013年10月29日 — A regex is used when you want to match based on a pattern. For instance, say you want to match any lines that START with possibly spaces, the ...

2016年2月19日 — 1 Answer 1 ... Explanation: -A matches the beginning of the string, .*? matches everything non-greedy and (-d+%) finally matches the number and ...

2014年4月22日 — I'm trying to write a Ruby Regex that finds the item between the - and the first occurrence of EITHER a hashtag or a @done/@due tag.

2020年9月17日 — I'm looking for a way to perform a regex match on a string in Ruby and get the first match sub-string, and assign in to a variable. I have ...

2017年4月27日 — =~ is Ruby's basic pattern-matching operator. ... If a match is found, the operator returns index of first match in string, otherwise it returns ...

2009年2月6日 — Return first match of Ruby regex ... I'm looking for a way to perform a regex match on a string in Ruby and have it short-circuit on the first ...

2017年4月28日 — to find the position of the first occurrence of the regex, but if I want to find the position of the reg starting after, say, index 15 in the ...