diff --git a/02_Day_Data_types/02_day_data_types.md b/02_Day_Data_types/02_day_data_types.md index e27d43d..72f48a4 100644 --- a/02_Day_Data_types/02_day_data_types.md +++ b/02_Day_Data_types/02_day_data_types.md @@ -767,14 +767,14 @@ Let us extract numbers from text using a regular expression. This is not the reg ```js let txt = 'In 2019, I ran 30 Days of Python. Now, in 2020 I am super exited to start this challenge' -let regEx = /\d+/ +let regEx = /\d/g + +console.log(txt.match(regEx)) // ["2", "0", "1", "9", "3", "0", "2", "0", "2", "0"] +console.log(txt.match(/\d+/g)) // ["2019", "30", "2020"] // d with escape character means d not a normal d instead acts a digit // + means one or more digit numbers, // if there is g after that it means global, search everywhere. - -console.log(txt.match(regEx)) // ["2", "0", "1", "9", "3", "0", "2", "0", "2", "0"] -console.log(txt.match(/\d+/g)) // ["2019", "30", "2020"] ``` 20. *repeat()*: it takes a number as argument and it returns the repeated version of the string.