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Answer 1

+2 A:

John Kugelman 2010-09-11 06:33:27

I kept getting : Warning: preg_match() [function.preg-match]: No ending delimiter '^'. So i did '/^[a-z0-9#,.\'" ]+$/i' Note the / at the beginning. Is this right?

Norman 2010-09-11 06:47:28

Yes, my bad. I lost your starting slash when I copy-and-pasted.

John Kugelman 2010-09-11 06:50:40

The semicolon does not need to be escaped at all.

Gumbo 2010-09-11 07:04:55

@Gumbo I agree. The OP is trying to match a literal backslash, and happened to place it before the semi-colon in his regex.

John Kugelman 2010-09-11 07:14:38

Before I go :), the right way to allow new lines (the enter key) in the regexp above would be like this, right? '/^[a-z0-9#,.\'"\r\n ]+$/i' I added \r\n. No harm if done this way?

Norman 2010-09-11 07:40:32

Yes, that's right. You can also use `\s` as a shorthand for all whitespace if tabs are okay too.

John Kugelman 2010-09-11 07:43:48

Answer 2

A:

Brackets also needed to be escaped

'/^[a-z0-9#&\(\)\-;,.\'" ]+$/i'

Maulik Vora 2010-09-11 06:36:50

Incorrect. Parentheses are not special inside character classes.

Ben Blank 2010-09-11 06:46:38

This answer too gives me the error : preg_match() [function.preg-match]: No ending delimiter '^' found in...

Norman 2010-09-11 06:50:08

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' & " inside a php regexp

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