ruby/doc/string/start_with_p.rdoc

19 строки
741 B
Plaintext

Returns whether +self+ starts with any of the given +string_or_regexp+.
Matches patterns against the beginning of +self+.
For each given +string_or_regexp+, the pattern is:
- +string_or_regexp+ itself, if it is a Regexp.
- <tt>Regexp.quote(string_or_regexp)</tt>, if +string_or_regexp+ is a string.
Returns +true+ if any pattern matches the beginning, +false+ otherwise:
'hello'.start_with?('hell') # => true
'hello'.start_with?(/H/i) # => true
'hello'.start_with?('heaven', 'hell') # => true
'hello'.start_with?('heaven', 'paradise') # => false
'тест'.start_with?('т') # => true
'こんにちは'.start_with?('こ') # => true
Related: String#end_with?.