View source for strsub

{{DavinciWiki_Function|
Substring substitution using regular expressions
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Arguments: Three strings or a text buffer and two strings
 
Return Value: A string or text buffer
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[[Syntax]]: strsub(object &#61; STRING/TEXT, match &#61; STRING, subst &#61; STRING)
 
strsub() traverses a string looking for match and replaces it with subst.  For a TEXT object, this operation is done on every row using the same match and subst.  
 
Note: 'match' and 'subst' can contain SED like regular expressions
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 dv> poem
 Text Buffer with 3 lines of text
     1: The sun was shining on the sea, shining with all it's might
     2: He did his very best to make the billows smooth and bright
     3: And this was odd because it was the middle of the night
 
 dv> strsub(poem,"was","is")
 Text Buffer with 3 lines of text
     1: The sun is shining on the sea, shining with all it's might
     2: He did his very best to make the billows smooth and bright
     3: And this is odd because it is the middle of the night

Another example using regular expressions

 dv> a &#61; "this is my university and i have $100 dollars"
 
 dv> strsub(a, " [^ ]{2}", " ")
 "this   iversity d i ve 00 llars"
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*[[strstr]]
*[[strlen]]
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[[category:Functions]]
[[category:Davinci Core]]
[[category:String Functions]]