String to HTML paragraphs in Java with Regex

Asked Feb 02 '18 at 23:00

Active Feb 04 '18 at 18:32

Viewed 161 times

I have a string that needs to be formatted for HTML with <p></p> tags. That is to say STRING->HTML conversion, and a simple case of only converting to paragraph.

public stringToHtml() {
    INPUT_STRING = "HEADING 1 \r Some Text \r\r HEADING 2 \r Some more Text \r\r";
    String pattern = "^(.+)$";
    String htmlString = pdf.get("TextArea").replaceAll(pattern, "<p>\1</p>");

However the resulting htmlString appears unchanged.

Works on regex101

UPDATE

Tried $1 - but same result (no <p> tags)

String htmlString = pdf.get("TextArea").replaceAll(pattern, "<p>$1</p>");

edited Feb 04 '18 at 18:32

Mr Lister

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asked Feb 02 '18 at 23:00

Al Grant

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A backreference in Java regex replacement patterns is formed with `$`, `$1`. – Wiktor Stribiżew Feb 02 '18 at 23:01
1

[Here we go again](https://stackoverflow.com/a/1732454/7694740) – Juan Carlos Mendoza Feb 02 '18 at 23:01
1

Except, @Juan - this is not trying to parse HTML, it is trying to _insert_ HTML into a plain-text string. – Stephen P Feb 02 '18 at 23:05
You can do it without regex with a simple replace function. Simply replace the new lines with `
` and then wrap the entire string with `
` and `
`. If you want to keep the new lines, then replace them with `\r
`.
– Racil Hilan Feb 02 '18 at 23:08

String to HTML paragraphs in Java with Regex

0 Answers0