[mp_validHexColor]
| Link | mp_validHexColor |
| Author | Marc Pinnell |
| Category | String |
| Version | 8.5.x |
| License | Public Domain |
| Posted | 02 Mar 2010 |
| Updated | 02 Mar 2010 |
| More by this author... | |
Description
Validates input string determining if it is a valid hex color (returns TRUE/FALSE). If first character is "#" then it is stripped.
Sample Usage
mp_validHexColor('aabbcc')
=> TRUE
mp_validHexColor('#123abce')
=> FALSE
mp_validHexColor('#aFaE3f')
=> TRUE
Source Code
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define_tag(
'validHexColor',
-namespace='mp_',
-priority='replace',
-required='colorstring',
-description='Validates input string determining if it is a valid hex color (returns TRUE/FALSE). If first character is "#" then it is stripped.'
);
//Setup output local var
local('out' = boolean);
//If leading character is a "#", remove it
#colorstring->removeleading('#');
//thanks to Johan for the below Regex!
//Test string for length (only 3 or 6 characters are valid) and then each digit so that each one is in the valid range (0-9 or a-f)
#out = string_findregexp(#colorstring, -find='^[0-9a-f]{3}$', -ignorecase) -> size > 0 || string_findregexp(#colorstring, -find='^[0-9a-f]{6}$', -ignorecase) -> size > 0;
return(#out);
/define_tag;
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