How to fix "grep: Unmatched [, [^, [:, [., or [=" error when using regex
I am trying to located [items1, [items2 and such terms in all files. So I typed the following at shell prompt: grep '[items' * I am not sure by the following message on screen: grep: Unmatched [, [^,...
View ArticleHow to fix "grep: Unmatched [, [^, [:, [., or [=" error when using regex
When you need to match [ escape it by adding \. For instance: grep '\[items' * Read full topic
View ArticleHow to fix "grep: Unmatched [, [^, [:, [., or [=" error when using regex
When using grep regular expression, [ act as a special character. Do you need [? Then add a backslash to escape it. Check BRE page Regular Expressions Read full topic
View ArticleHow to fix "grep: Unmatched [, [^, [:, [., or [=" error when using regex
you need -F flag here if you are lazy to fix escapes - it will take the pattern as fixed string instead of regexp Read full topic
View ArticleHow to fix "grep: Unmatched [, [^, [:, [., or [=" error when using regex
What does -F do here? Read full topic
View ArticleHow to fix "grep: Unmatched [, [^, [:, [., or [=" error when using regex
It will disable regular expressions. So [ and other regexp treated as text. Read full topic
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