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01-regular-expressions.md - minor corrections #188

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01-regular-expressions.md - minor corrections #188

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5 changes: 3 additions & 2 deletions _episodes/01-regular-expressions.md
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Expand Up @@ -49,6 +49,7 @@ Then there are:
- `\d` matches any single digit.
- `\w` matches any part of word character (equivalent to `[A-Za-z0-9]`).
- `\s` matches any space, tab, or newline.
- `\S` matches any non-whitespace character (equivalent to `[^\r\n\t\f\v ]`, i.e. opposite of `\s`).
- `\` used to escape the following character when that character is a special character. So, for example, a regular expression that found `.com` would be `\.com` because `.` is a special character that matches any character.
- `^` is an "anchor" which asserts the position at the start of the line. So what you put after the caret will only match if they are the first characters of a line. The caret is also known as a circumflex.
- `$` is an "anchor" which asserts the position at the end of the line. So what you put before it will only match if they are the last characters of a line.
Expand Down Expand Up @@ -275,7 +276,7 @@ Then test each other on the answers. If you want to check your logic use [regex1
{: .challenge}

> ## Matching dates
> How would you match the date format `dd-MM-yyyy`?
> How would you match the date format `dd-mm-yyyy`?
>
> > ## Solution
> > ~~~
Expand All @@ -286,7 +287,7 @@ Then test each other on the answers. If you want to check your logic use [regex1
{: .challenge}

> ## Matching multiple date formats
> How would you match the date format `dd-MM-yyyy` or `dd-MM-yy` at the end of a line only?
> How would you match the date format `dd-mm-yyyy` or `dd-mm-yy` at the end of a line only?
>
> > ## Solution
> > ~~~
Expand Down