What is the function of Substring?

Answer Posted / subrahmanyam

get some data in the string.
ex: string= subrahmanyam.if you willinh go onliy in bitween
the r and a then use substr.
sy:
str1 = str+4(7).
here 4 specifys that staring position of capture data.
7 specifys how meany char can capturng data.

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