Module re

re:‘pattern’
re:(pattern, flags)
Create a regular expression object.

Methods

search(string)
Scan through

string

looking for the first location where the regular expression produces a match, and return a corresponding match object.

match(string)
If the whole

string

matches the regular expression, return a corresponding match object.

find_strings(string)
Return all non-overlapping matches of the regular expression in

string

, as an array of strings.

find_matches(string)
Return an iterator yielding match objects over all non-overlapping matches for the regular expression in

string

.

Match object methods

group(group = 0) -> String
Returns a subgroup of the match. If a

group

argument is zero, the return value is the entire matching string.

start(group = 0)
end(group = 0)
Return the indices of the start and end of the substring matched by

group

(or the whole matched substring if

group

argument is zero).