String with text to integer

[theo]

i want to convert e string to number
like "7b8k" changing in 7 and 8
but without knowing wich letters there are between the first digit en the second
i need something like trim but for letters

[TIMAI2]

This should do it

[Anke]

@theo

i want to convert e string to number
like "7b8k" changing in 7 and 8

[FREE] Extension Xreg V1.2- PCRE regular expressions for App Inventor1

New title: [FREE] Extension Xreg V1.5- Java regular expressions for App Inventor. Version V1.5 adds features to version V1.4. Download New Version V1.5 Xreg.aix (9.5 KB) News features in "replacement" string of RegexReplace block: The replacement string can contain special sequences, defined after each match, which the function interprets in the following way: Sequence Description $0 The sequence $0 denotes the complete match. The function first replaces each occurrence of $0 in r…