PHP Query

I'm trying to write a query that uses RegEx but I'm not sure I know what I should be doing here.  One of the fields I am querying has numbers and words in it.  I want to only query the numbers.
		$laser_query = ee()->db->query(
		SELECT t1.entry_id AS id, t1.field_id_1091 AS title, t1.field_id_1141 AS image, t2.url_title AS url_title
		FROM exp_channel_data t1, exp_channel_titles t2 
		WHERE (t1.field_id_3731 = $cw || t1.field_id_3731 = $pulsed || t1.field_id_3731 = $pulsednp || t1.field_id_3731 = $quasi || t1.field_id_3731 = $ultrafastfp || t1.field_id_3731 = $ultrafastf)
		AND t1.field_id_3781 <= $wave_max REGEXP '/[^0-9]/'
		AND t1.field_id_3781 >= $wave_max REGEXP '/[^0-9]/');

		$lb = $laser_query->result_array();
		foreach($lb as $row){

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Dan CraciunIT ConsultantCommented:
What does "has numbers and words in it" mean.

It's like this:
123 word word
word 123 word

Or like this

1 word 234 word 45 ?

If the second option, you want the first number, a number from all the figures, the sum of the numbers, etc?
Dan CraciunIT ConsultantCommented:
BTW, REGEXP returns 1, 0 or NULL:
You're sure you want to compare t1.field_id_3781 against those values?

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