Archive for the ‘regexp’ tag
Limit the number of newlines in a string
A very short blog post this time. I often use the following short function to limit the number of breaks/newlines in comments that people can submit on a news article or other user input. You can easily limit the number of characters in a comment by using the PHP strlen function, but the comment can still use a lot of vertical space on your website if the user uses 5 breaks in his comment. See the function below to prevent this type of comments:
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