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Re: [PHP] Catch line indetation





On 28 October 2016 12:01:16 BST, Narcis Garcia <informatica@xxxxxxxxx> wrote:
>Hello, I have a string (I quote here only) as:
>
>'   <table>...</table>'
>
>As you can see there are 3 spaces at the beginning, but it could be 0
>or
>4 or any number of spaces.
>How can I get a string with only the initial spaces part?
>
>'   <table>...</table>' -> '   '
>'hello' -> ''
>' hello' -> ' '
>
>Thanks.

Have you tried regular expressions? Something like:

^( )*[^ ]

The first captured match is the number of spaces, from 0 to any amount. Not the space between the brackets and before the closing square bracket

Ash
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