Linux Shell Scripting Cookbook - Third Edition

How it works...

The sed regex 's/ [^.]*mobile phones[^.]*\.//g' has the 's/substitution_pattern/replacement_string/g format. It replaces every occurrence of substitution_pattern with the replacement string.

The substitution pattern is the regex for a sentence. Every sentence begins with a space and ends with .. The regular expression must match the text in the format "space" some text MATCH_STRING some text "dot". A sentence may contain any characters except a "dot", which is the delimiter. The [^.] pattern matches any character except a period. The * pattern defines any number of those characters. The mobile phones text match string is placed between the pattern for non-period characters. Every match sentence is replaced by // (nothing). ...