<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>Chapter 18. A collection of standard string functions</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2"><link rel="home" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="up" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="prev" href="re255.html" title="function::user_char_warn"><link rel="next" href="re256.html" title="function::strlen"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 18. A collection of standard string functions</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re255.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="re256.html">Next</a></td></tr></table><hr></div><div class="chapter" title="Chapter 18. A collection of standard string functions"><div class="titlepage"><div><div><h2 class="title"><a name="string.stp"></a>Chapter 18. A collection of standard string functions</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="refentrytitle"><a href="re256.html"><span>function::strlen</span></a></span><span class="refpurpose"> — Returns the length of a string. </span></dt><dt><span class="refentrytitle"><a href="re257.html"><span>function::substr</span></a></span><span class="refpurpose"> — Returns a substring. </span></dt><dt><span class="refentrytitle"><a href="re258.html"><span>function::stringat</span></a></span><span class="refpurpose"> — Returns the char at a given position in the string. </span></dt><dt><span class="refentrytitle"><a href="re259.html"><span>function::isinstr</span></a></span><span class="refpurpose"> — Returns whether a string is a substring of another string. </span></dt><dt><span class="refentrytitle"><a href="re260.html"><span>function::text_str</span></a></span><span class="refpurpose"> — Escape any non-printable chars in a string. </span></dt><dt><span class="refentrytitle"><a href="re261.html"><span>function::text_strn</span></a></span><span class="refpurpose"> — Escape any non-printable chars in a string. </span></dt><dt><span class="refentrytitle"><a href="re262.html"><span>function::tokenize</span></a></span><span class="refpurpose"> — Return the next non-empty token in a string. </span></dt><dt><span class="refentrytitle"><a href="re263.html"><span>function::str_replace</span></a></span><span class="refpurpose"> — str_replace Replaces all instances of a substring with another. </span></dt><dt><span class="refentrytitle"><a href="re264.html"><span>function::strtol</span></a></span><span class="refpurpose"> — strtol - Convert a string to a long. </span></dt></dl></div><p> Functions to get the length, a substring, getting at individual characters, string seaching, escaping, tokenizing, and converting strings to longs. </p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re255.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="re256.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>function::user_char_warn</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>function::strlen</span></td></tr></table></div></body></html>