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% CPSC-FUNCTION-STR_TO_NUM(7)
# NAME
cpsc-function-str_to_num - convert text to a real number
# SYNOPSIS
```text
STR_TO_NUM(text : STRING) RETURNS REAL
```
# DESCRIPTION
Return REAL, including for integer-looking text. Conversion can stop at trailing text; invalid text returns zero. Use IS_NUM first when the whole string must be a valid number.
# EXAMPLE
```text
OUTPUT STR_TO_NUM("12.5")
```
# SEE ALSO
[cpsc-language-overview(7)](../cpsc-language-overview.7.md), [cpsc-function-is_num(7)](cpsc-function-is_num.7.md), [cpsc-function-num_to_str(7)](cpsc-function-num_to_str.7.md).
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