regular expression

rule

1
const <rule name> = /<rugular expression>/

pick

1. pick for strings that comply with the rules and ruturn boolean

   1
   <rule>.test(<test string>)

2. search for string that complay with the rules, find ruturn array else return null

   1
   <rule>.exec(<test string>)

replace

1
<string>.replace(<rule>,<string>)