Description
Replace the first e/E with selected case and report whether an exponent was present.
Numeric-looking text has both a value and a written form. Signs, decimal places, exponent markers and trailing zeros can carry display information that ordinary numeric conversion discards; formatting a token does not verify its meaning.
Replace the first e/E with selected case and report whether an exponent was present.
When to use this tool
Use Exponent Marker Case Transform when you need the specified literal representation or text-level numeric diagnostic.
How to use the tool and how it works
- Enter token, upperCase. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read transformed, exponentPresent. Inspect exponentPresent before interpreting the associated values.
Require decimal text with an optional valid exponent. Replace the first e/E with selected case and report whether an exponent was present.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| token | Token | Required. Text; maximum UTF-16 length 8192. |
| upperCase | Upper Case | Required. Boolean. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| transformed | Transformed | Required. Text; maximum UTF-16 length 8192. |
| exponentPresent | Exponent Present | Required. Boolean. |
{
"input": {
"token": "1.20e+03",
"upperCase": true
},
"output": {
"transformed": "1.20E+03",
"exponentPresent": true
}
}Limitations and assumptions
- Digits, sign, precision and numeric value are not otherwise changed; this is not scientific normalization or rounding.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
Alternative or Complementary methods
Use a locale-aware or destination-specific formatter when broader parsing and presentation rules are needed. Retain original text when lexical precision matters and validate numeric meaning separately.
References
Similar or alternative tools
- Signed Exponent E Notation Token
Require a signed decimal mantissa, allowing .5 or 1., and append e or E plus the signed integer exponent, explicitly adding plus for nonnegative exponents.
- Scientific Mantissa Decimal Marker
Replace its single dot, if present, with that marker.