Proofing (fixing punctuation, spaces, uppercase letters) a bio page text with php -

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i need in trimming bio info users submit inside profiles. there proofing problems: "this bio of mike, of being uppercase no reason!there no space between question mark , word there?also question mar should have space.also after stop sign there should upper case,and spaces between commas,and,this,one"

here thinking:

first i'd trim $bio var

$bio = trim($bio);

then i'd add spaces after punctuation marks - pretty sure not correct because replaces every punctuation type comma.

$bio = str_replace(array(",","!","?"),", ", $bio);

then i'd turn letters lowercase; won't work becouse need keep uppercase first letter of first word of sentences inside $bio variables.

$bio = strtolower($bio);

and i'd upper case first one; need way upper case each first letter of every word separated ! ? - or stop sign, know... except commas.

$bio = strtoupper($bio);

hope can help

i have warn looks hopeless.

anyway, can maybe series of regexps:

 // replaces , . ! ? (if not followed space) same (\1),  // followed space, followed whatever followed before (\2).  // note . , ? special characters regexes, have  // escape them "\".  $bio = preg_replace('#([,\.!\?])(\s)#ms', '\1 \2', $bio);   // replace spaces: sequence of 2 or more spaces  // replaced 1 space.  $bio = preg_replace('# {2,}#ms', ' ', $bio);   // ., !, , ? followed lowercase should uppercase  // take full monty, ". m" , uppercase all. since uppercase  // of ". " remains ". ", keep things simpler.  $bio = preg_replace('#[\.!\?] [a-z])#ms', 'strtoupper("\1")', $bio);   // replace caps words lowerspace equivalent.  // doesn't seem idea though: "i mike, worked nasa"  // , nasa becomes nasa?  $bio = preg_replace('# ([a-z][a-z]+)#mse', 'strtolower(" \1")', $bio);

this way, sentence becomes:

this bio of mike, of being uppercase no reason! there no space between question mark , word there? question mar should have space. after stop sign there should upper case, , spaces between commas, and, this, one


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