Blog / CentOS / Debian / Fedora / Kali / Linux / Mint / RedHat / Ubuntu
by İsmail Baydan · Published 13/10/2017
Linux provides grep for text filtering. But in some situations we may need more extended tool to match given pattern in given text files. This tool is called Extended Global Regular Expression Print or simply egrep . egrep provides extended features over regular grep tool. Syntax Syntax of egrep command...
Regular expression is the language to define specific pattern for text data. Javascript supports regular expression. Regular expression is generally used like below. We will look different type of usage examples of regular expression.
1 2 3 | var str = "This is an example about regex for poftut.com"; var re = new RegExp( "poftut", "g" ); var result = re.exec(str); |
str is the text data we want to regex. re is our regex object to regex. re.exec() gets...
While developing Javascript applications we generally need some type that can hold text and string data. We call this type of variable as string. String can hold names, street info, paragraph, explanation etc. String is the type used for text data. String variables can be defined various ways.
1 2 | name="Poftut"; name2='Poftut'; |
These...
