Performance-StartWith.md

Pattern: Missing use of String#start_with?

Issue: -

Description

This rule identifies unnecessary use of a Regex where String#start_with? would suffice.

Examples

# bad
'abc' =~ /\Aab/
'abc'.match(/\Aab/)

# good
'abc'.start_with?('ab')

Further Reading

• RuboCop - Performance/StartWith
• https://github.com/JuanitoFatas/fast-ruby#stringmatch-vs-stringstart_withstringend_with-code-start-code-end