sql - How to query star (*) character in a field in where clause for mysql -

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i want query table field contains star (*) character could't find valuable answer. tried below

where fieldname regexp '\*'

there solutions using 'like' keyword wanna know way uses 'regexp' keyword.

thanks in advance.

you need escape backslash 1 more time since single backslash inside double or single quotes considered escape sequence.

where fieldname regexp '\\*'

or

use character class.

where fieldname regexp '[*]'

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