Translations:Using regular expressions/117/zh-cn
From LimeSurvey Manual
To validate for one state use the following (example is Texas):
- TX uppercase only:
/^(TX)$/
- tx lowercase only:
/^(tx)$/
- TX upper or lowercase:
/^([T|t][X|x])$/
To validate for one state use the following (example is Texas):
/^(TX)$/
/^(tx)$/
/^([T|t][X|x])$/