04. Anchors begins and ends with
In some cases, you'll need to specify that a string starts and/or ends with certain characters. For example, if you were reading from an ouput, and had to match if it reads "success", you couldn't just write a regex that matches "success", as "not success" and "success did not occur" would also be valid matches.
Begins and Ends with
To specify that a string should strictly start or end with certain character, we can use the hat (^) or dollar sign ($).
^zip- Match all strings that start with
zip. zip$- Match all strings that end with
zip. ^z..i.p$- Match all strings that start with
z, has any two characters then ani, then another character, and ends withp.
Build modern and responsive webpages
HTML & CSS
This book teaches HTML as if it's for anyone - hobbyists, students, and professionals - and it's full-color throughout. It utilizes information graphics and lifestyle photography to explain the topics in a simple way that is engaging. You can progress through the chapters from beginning to end or just dip into topics of particular interest at your leisure.
$ Check price
(926+ reviews) Take your Linux skills to the next level!
How Linux Works
In this completely revised second edition of the perennial best seller How Linux Works, author Brian Ward makes the concepts behind Linux internals accessible to anyone curious about the inner workings of the operating system. Inside, you'll find the kind of knowledge that normally comes from years of experience doing things the hard way.
$ Check price
(114+ reviews) Ad